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{"workbook":{"problemsBrief":"{\"CodeForces-56E\":[\"Domino Principle\",2549,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/56\\\"\\u003eCodeforces Beta Round 52 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-promotions\":[\"Promotions\",444,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Southwestern%20Europe%20Regional%20Contest%20%28SWERC%29%202015\\\"\\u003eSouthwestern Europe Regional Contest (SWERC) 2015\\u003c/a\\u003e\"],\"CodeForces-1340C\":[\"Nastya and Unexpected Guest\",2093,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1340\\\"\\u003eCodeforces Round 637 (Div. 1) - Thanks, Ivan Belonogov!\\u003c/a\\u003e\"],\"CodeForces-1461C\":[\"Random Events\",11361,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1461\\\"\\u003eCodeforces Round 689 (Div. 2, based on Zed Code Competition)\\u003c/a\\u003e\"],\"CodeForces-1279D\":[\"Santa\\u0027s Bot\",6100,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1279\\\"\\u003eEducational Codeforces Round 79 (Rated for Div. 2)\\u003c/a\\u003e\"],\"Kattis-succession\":[\"Succession\",459,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Nordic%20Collegiate%20Programming%20Contest%20%28NCPC%29%202010\\\"\\u003eNordic Collegiate Programming Contest (NCPC) 2010\\u003c/a\\u003e\"],\"AtCoder-abc125_c\":[\"GCD on Blackboard\",2141,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc125\\\"\\u003eAtCoder Beginner Contest 125\\u003c/a\\u003e\"],\"AtCoder-abc148_f\":[\"Playing Tag on Tree\",968,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc148\\\"\\u003eAtCoder Beginner Contest 148\\u003c/a\\u003e\"],\"CodeForces-835C\":[\"Star sky\",8507,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/835\\\"\\u003eCodeforces Round 427 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-702C\":[\"Cellular Network\",15003,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/702\\\"\\u003eEducational Codeforces Round 15\\u003c/a\\u003e\"],\"CodeForces-847E\":[\"Packmen\",2977,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/847\\\"\\u003e2017-2018 ACM-ICPC, NEERC, Southern Subregional Contest, qualification stage (Online Mirror, ACM-ICPC Rules, Teams Preferred)\\u003c/a\\u003e\"],\"Kattis-texassummers\":[\"Texas Summers\",409,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/ICPC%202012%20North%20American%20Qualifier\\\"\\u003eICPC 2012 North American Qualifier\\u003c/a\\u003e\"],\"Kattis-cycleseasy\":[\"Cycles (Easy)\",372,\"\"],\"Kattis-communicationssatellite\":[\"Communications Satellite\",650,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2018%20ICPC%20South%20Central%20USA%20Regional%20Contest\\\"\\u003e2018 ICPC South Central USA Regional Contest\\u003c/a\\u003e\"],\"Kattis-divisors\":[\"Divisors\",497,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/CTU%20Open%202005\\\"\\u003eCTU Open 2005\\u003c/a\\u003e\"],\"Kattis-bagoftiles\":[\"Bag of Tiles\",414,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Swedish%20ICPC%20Qualifier%202009\\\"\\u003eSwedish ICPC Qualifier 2009\\u003c/a\\u003e\"],\"CodeForces-160D\":[\"Edges in MST\",2691,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/160\\\"\\u003eCodeforces Round 111 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-57C\":[\"Array\",2787,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/57\\\"\\u003eCodeforces Beta Round 53\\u003c/a\\u003e\"],\"CodeForces-33C\":[\"Wonderful Randomized Sum\",3098,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/33\\\"\\u003eCodeforces Beta Round 33 (Codeforces format)\\u003c/a\\u003e\"],\"CodeForces-1012B\":[\"Chemical table\",3792,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1012\\\"\\u003eCodeforces Round 500 (Div. 1) [based on EJOI]\\u003c/a\\u003e\"],\"AtCoder-abc159_f\":[\"Knapsack for All Segments\",599,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc159\\\"\\u003eAtCoder Beginner Contest 159\\u003c/a\\u003e\"],\"CodeForces-1278C\":[\"Berry Jam\",7841,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1278\\\"\\u003eEducational Codeforces Round 78 (Rated for Div. 2)\\u003c/a\\u003e\"],\"Kattis-faultyrobot\":[\"Faulty Robot\",564,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2017%20ICPC%20Mid-Central%20Regional\\\"\\u003e2017 ICPC Mid-Central Regional\\u003c/a\\u003e\"],\"AtCoder-abc113_d\":[\"Number of Amidakuji\",318,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc113\\\"\\u003eAtCoder Beginner Contest 113\\u003c/a\\u003e\"],\"CodeForces-507D\":[\"The Maths Lecture\",1832,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/507\\\"\\u003eCodeforces Round 287 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-616C\":[\"The Labyrinth\",6030,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/616\\\"\\u003eEducational Codeforces Round 5\\u003c/a\\u003e\"],\"CodeForces-616D\":[\"Longest k-Good Segment\",11039,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/616\\\"\\u003eEducational Codeforces Round 5\\u003c/a\\u003e\"],\"Kattis-loworderzeros\":[\"Low Order Zeros\",554,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"CodeForces-701C\":[\"They Are Everywhere\",15426,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/701\\\"\\u003eCodeforces Round 364 (Div. 2)\\u003c/a\\u003e\"],\"CSES-1715\":[\"Creating Strings II\",5601,\"Mathematics\"],\"Kattis-firestation\":[\"Fire Station\",157,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%201999-09-25\\\"\\u003eWaterloo Programming Contest 1999-09-25\\u003c/a\\u003e\"],\"Kattis-svemir\":[\"Svemir\",195,\"\"],\"CSES-1716\":[\"Distributing Apples\",5444,\"Mathematics\"],\"AtCoder-abc223_f\":[\"Parenthesis Checking\",657,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc223\\\"\\u003eAtCoder Beginner Contest 223\\u003c/a\\u003e\"],\"Kattis-primalrepresentation\":[\"Primal Representation\",559,\"\"],\"CodeForces-30C\":[\"Shooting Gallery\",2166,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/30\\\"\\u003eCodeforces Beta Round 30 (Codeforces format)\\u003c/a\\u003e\"],\"CodeForces-1520F1\":[\"Guess the K-th Zero (Easy version)\",11066,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1520\\\"\\u003eCodeforces Round 719 (Div. 3)\\u003c/a\\u003e\"],\"CodeForces-1350B\":[\"Orac and Models\",21066,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1350\\\"\\u003eCodeforces Round 641 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1398C\":[\"Good Subarrays\",25088,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1398\\\"\\u003eEducational Codeforces Round 93 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-869C\":[\"The Intriguing Obsession\",4676,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/869\\\"\\u003eCodeforces Round 439 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11026\":[\"A Grouping Problem\",832,null],\"CodeForces-31D\":[\"Chocolate\",1115,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/31\\\"\\u003eCodeforces Beta Round 31 (Div. 2, Codeforces format)\\u003c/a\\u003e\"],\"CodeForces-1288C\":[\"Two Arrays\",12979,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1288\\\"\\u003eEducational Codeforces Round 80 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1373D\":[\"Maximum Sum on Even Positions\",15276,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1373\\\"\\u003eEducational Codeforces Round 90 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-868C\":[\"Qualification Rounds\",4746,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/868\\\"\\u003eCodeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined)\\u003c/a\\u003e\"],\"CodeForces-602B\":[\"Approximating a Constant Range\",11465,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/602\\\"\\u003eCodeforces Round 333 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-711C\":[\"Coloring Trees\",8633,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/711\\\"\\u003eCodeforces Round 369 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc201_d\":[\"Game in Momotetsu World\",1440,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc201\\\"\\u003eMynavi Programming Contest 2021(AtCoder Beginner Contest 201)\\u003c/a\\u003e\"],\"Kattis-tide\":[\"Tide Goes In, Tide Goes Out\",41,\"\"],\"AtCoder-abc247_f\":[\"Cards\",886,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc247\\\"\\u003eAtCoder Beginner Contest 247\\u003c/a\\u003e\"],\"Kattis-keyboardconcert\":[\"Keyboards in Concert\",662,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Bergen%20Open%202018\\\"\\u003eBergen Open 2018\\u003c/a\\u003e\"],\"AtCoder-abc104_d\":[\"We Love ABC\",282,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc104\\\"\\u003eAtCoder Beginner Contest 104\\u003c/a\\u003e\"],\"CodeForces-1223C\":[\"Save the Nature\",8017,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1223\\\"\\u003eTechnocup 2020 - Elimination Round 1\\u003c/a\\u003e\"],\"CodeForces-803D\":[\"Magazine Ad\",3406,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/803\\\"\\u003eEducational Codeforces Round 20\\u003c/a\\u003e\"],\"Kattis-parket\":[\"Parket\",470,\"\"],\"Kattis-shortestpath3\":[\"Single source shortest path, negative weights\",1233,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/KTH%20CSC%20Popup%202005\\\"\\u003eKTH CSC Popup 2005\\u003c/a\\u003e\"],\"Kattis-shortestpath2\":[\"Single source shortest path, time table\",1010,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/KTH%20CSC%20Popup%202005\\\"\\u003eKTH CSC Popup 2005\\u003c/a\\u003e\"],\"AtCoder-abc236_d\":[\"Dance\",2158,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc236\\\"\\u003eAtCoder Beginner Contest 236\\u003c/a\\u003e\"],\"Kattis-moviecollection\":[\"Movie Collection\",1289,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Northwestern%20Europe%20Regional%20Contest%20%28NWERC%29%202011\\\"\\u003eNorthwestern Europe Regional Contest (NWERC) 2011\\u003c/a\\u003e\"],\"AtCoder-agc047_a\":[\"Integer Product\",966,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/agc047\\\"\\u003eAtCoder Grand Contest 047\\u003c/a\\u003e\"],\"CodeForces-272D\":[\"Dima and Two Sequences\",2712,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/272\\\"\\u003eCodeforces Round 167 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-296B\":[\"Yaroslav and Two Strings\",2210,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/296\\\"\\u003eCodeforces Round 179 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-perfectpowers\":[\"Perfect Pth Powers\",1283,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202004-01-31\\\"\\u003eWaterloo Programming Contest 2004-01-31\\u003c/a\\u003e\"],\"CodeForces-25C\":[\"Roads in Berland\",6727,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/25\\\"\\u003eCodeforces Beta Round 25 (Div. 2 Only)\\u003c/a\\u003e\"],\"Kattis-emptyingbaltic\":[\"Emptying the Baltic\",616,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Nordic%20Collegiate%20Programming%20Contest%20%28NCPC%29%202017\\\"\\u003eNordic Collegiate Programming Contest (NCPC) 2017\\u003c/a\\u003e\"],\"CodeForces-1670D\":[\"Very Suspicious\",5033,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1670\\\"\\u003eCodeforces Round 788 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-609D\":[\"Gadgets for dollars and pounds\",2789,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/609\\\"\\u003eEducational Codeforces Round 3\\u003c/a\\u003e\"],\"CodeForces-1476C\":[\"Longest Simple Cycle\",11304,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1476\\\"\\u003eEducational Codeforces Round 103 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-706C\":[\"Hard problem\",16801,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/706\\\"\\u003eCodeforces Round 367 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-839D\":[\"Winter is here\",3042,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/839\\\"\\u003eCodeforces Round 428 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-814C\":[\"An impassioned circulation of affection\",6697,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/814\\\"\\u003eCodeforces Round 418 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-935D\":[\"Fafa and Ancient Alphabet\",2730,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/935\\\"\\u003eCodeforces Round 465 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc248_e\":[\"K-colinear Line\",1644,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc248\\\"\\u003eUNIQUE VISION Programming Contest 2022(AtCoder Beginner Contest 248)\\u003c/a\\u003e\"],\"Kattis-mallmania\":[\"Mall Mania\",207,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202006-09-24\\\"\\u003eWaterloo Programming Contest 2006-09-24\\u003c/a\\u003e\"],\"CodeForces-22E\":[\"Scheme\",1745,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/22\\\"\\u003eCodeforces Beta Round 22 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-295A\":[\"Greg and Array\",17063,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/295\\\"\\u003eCodeforces Round 179 (Div. 1)\\u003c/a\\u003e\"],\"Kattis-muddyhike\":[\"Muddy Hike\",651,\"\"],\"CodeForces-34D\":[\"Road Map\",5626,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/34\\\"\\u003eCodeforces Beta Round 34 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-22C\":[\"System Administrator\",3247,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/22\\\"\\u003eCodeforces Beta Round 22 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-1342E\":[\"Placing Rooks\",2945,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1342\\\"\\u003eEducational Codeforces Round 86 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1245C\":[\"Constanze\\u0027s Machine\",17853,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1245\\\"\\u003eCodeforces Round 597 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-825E\":[\"Minimal Labels\",3317,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/825\\\"\\u003eEducational Codeforces Round 25\\u003c/a\\u003e\"],\"Kattis-treehouses\":[\"Treehouses\",684,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2018%20ICPC%20Mid-Central%20Regional\\\"\\u003e2018 ICPC Mid-Central Regional\\u003c/a\\u003e\"],\"Kattis-olderbrother\":[\"Older Brother\",812,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Benelux%20Algorithm%20Programming%20Contest%20%28BAPC%29%202016\\\"\\u003eBenelux Algorithm Programming Contest (BAPC) 2016\\u003c/a\\u003e\"],\"CSES-1662\":[\"Subarray Divisibility\",14776,\"Sorting and Searching\"],\"CodeForces-380C\":[\"Sereja and Brackets\",14743,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/380\\\"\\u003eCodeforces Round 223 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-294C\":[\"Shaass and Lights\",4131,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/294\\\"\\u003eCodeforces Round 178 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-185A\":[\"Plant\",7152,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/185\\\"\\u003eCodeforces Round 118 (Div. 1)\\u003c/a\\u003e\"],\"Kattis-watersheds\":[\"Watersheds\",146,\"\"],\"Kattis-ads\":[\"Ads\",233,\"\"],\"CodeForces-1244D\":[\"Paint the Tree\",7486,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1244\\\"\\u003eCodeforces Round 592 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-607B\":[\"Zuma\",12355,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/607\\\"\\u003eCodeforces Round 336 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-1486D\":[\"Max Median\",6989,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1486\\\"\\u003eCodeforces Round 703 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-812B\":[\"Sagheer, the Hausmeister\",5574,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/812\\\"\\u003eCodeforces Round 417 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-jetpack\":[\"Jetpack\",137,\"\"],\"AtCoder-abc203_d\":[\"Pond\",1011,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc203\\\"\\u003eAtCoder Beginner Contest 203(Sponsored by Panasonic)\\u003c/a\\u003e\"],\"CodeForces-2B\":[\"The least round way\",10918,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/2\\\"\\u003eCodeforces Beta Round 2\\u003c/a\\u003e\"],\"Kattis-iks\":[\"Iks\",278,\"\"],\"CodeForces-241E\":[\"Flights\",1100,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/241\\\"\\u003eBayan 2012-2013 Elimination Round (ACM ICPC Rules, English statements)\\u003c/a\\u003e\"],\"AtCoder-abc061_d\":[\"Score Attack\",507,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc061\\\"\\u003eAtCoder Beginner Contest 061\\u003c/a\\u003e\"],\"CodeForces-289B\":[\"Polo the Penguin and Matrix\",17313,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/289\\\"\\u003eCodeforces Round 177 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1295C\":[\"Obtain The String\",13033,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1295\\\"\\u003eEducational Codeforces Round 81 (Rated for Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc129_c\":[\"Typical Stairs\",2669,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc129\\\"\\u003eAtCoder Beginner Contest 129\\u003c/a\\u003e\"],\"Kattis-tight\":[\"Tight words\",793,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202001-01-27\\\"\\u003eWaterloo Programming Contest 2001-01-27\\u003c/a\\u003e\"],\"CodeForces-1380C\":[\"Create The Teams\",20472,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1380\\\"\\u003eEducational Codeforces Round 91 (Rated for Div. 2)\\u003c/a\\u003e\"],\"Kattis-orders\":[\"Restaurant Orders\",1592,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/KTH%20Challenge%202012\\\"\\u003eKTH Challenge 2012\\u003c/a\\u003e\"],\"CodeForces-495B\":[\"Modular Equations\",7235,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/495\\\"\\u003eCodeforces Round 282 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-arc060_a\":[\"Tak and Cards\",538,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/arc060\\\"\\u003eAtCoder Regular Contest 060\\u003c/a\\u003e\"],\"Kattis-nesteddolls\":[\"Nested Dolls\",431,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Nordic%20Collegiate%20Programming%20Contest%20%28NCPC%29%202007\\\"\\u003eNordic Collegiate Programming Contest (NCPC) 2007\\u003c/a\\u003e\"],\"CodeForces-1715D\":[\"2+ doors\",4950,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1715\\\"\\u003eCodeforces Round 816 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1606E\":[\"Arena\",3470,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1606\\\"\\u003eEducational Codeforces Round 116 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-916C\":[\"Jamie and Interesting Graph\",5351,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/916\\\"\\u003eCodeforces Round 457 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-brickwall\":[\"Brick Wall\",209,\"\"],\"UVA-10918\":[\"Tri Tiling\",2733,null],\"Kattis-threedigits\":[\"Three Digits\",641,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/KTH%20Challenge\\\"\\u003eKTH Challenge\\u003c/a\\u003e\"],\"AtCoder-abc204_d\":[\"Cooking\",3249,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc204\\\"\\u003eAtCoder Beginner Contest 204\\u003c/a\\u003e\"],\"CodeForces-1391C\":[\"Cyclic Permutations\",14830,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1391\\\"\\u003eCodeforces Round 663 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc170_f\":[\"Pond Skater\",650,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc170\\\"\\u003eAtCoder Beginner Contest 170\\u003c/a\\u003e\"],\"Kattis-vauvau\":[\"Vauvau\",1953,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Open%20Competition%20in%20Informatics%202007/2008%2C%20contest%20%234\\\"\\u003eCroatian Open Competition in Informatics 2007/2008, contest #4\\u003c/a\\u003e\"],\"AtCoder-agc033_b\":[\"LRUD Game\",905,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/agc033\\\"\\u003eAtCoder Grand Contest 033\\u003c/a\\u003e\"],\"AtCoder-abc227_e\":[\"Swap\",215,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc227\\\"\\u003eKEYENCE Programming Contest 2021 (AtCoder Beginner Contest 227)\\u003c/a\\u003e\"],\"CodeForces-61E\":[\"Enemy is weak\",10957,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/61\\\"\\u003eCodeforces Beta Round 57 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-166E\":[\"Tetrahedron\",21599,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/166\\\"\\u003eCodeforces Round 113 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-farey\":[\"Farey Sequence Length\",514,\"\"],\"Kattis-passingsecrets\":[\"Passing Secrets\",106,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"CodeForces-1714D\":[\"Color with Occurrences\",8670,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1714\\\"\\u003eCodeforces Round 811 (Div. 3)\\u003c/a\\u003e\"],\"Kattis-lostmap\":[\"Lost Map\",3342,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2017%20ACM%20ICPC%20North%20Central%20North%20America%20Regional%20Contest\\\"\\u003e2017 ACM ICPC North Central North America Regional Contest\\u003c/a\\u003e\"],\"CodeForces-818F\":[\"Level Generation\",1366,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/818\\\"\\u003eEducational Codeforces Round 24\\u003c/a\\u003e\"],\"CodeForces-1281C\":[\"Cut and Paste\",135,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1281\\\"\\u003eCodeforces Round 607 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc183_e\":[\"Queen on Grid\",1546,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc183\\\"\\u003eAtCoder Beginner Contest 183\\u003c/a\\u003e\"],\"Kattis-subway2\":[\"Subway\",154,\"\"],\"Kattis-incognito\":[\"Incognito\",1437,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Benelux%20Algorithm%20Programming%20Contest%20%28BAPC%29%202013\\\"\\u003eBenelux Algorithm Programming Contest (BAPC) 2013\\u003c/a\\u003e\"],\"AtCoder-abc216_d\":[\"Pair of Balls\",2187,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc216\\\"\\u003eAtCoder Beginner Contest 216\\u003c/a\\u003e\"],\"CodeForces-82D\":[\"Two out of Three\",1989,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/82\\\"\\u003eYandex.Algorithm 2011: Qualification 2\\u003c/a\\u003e\"],\"CodeForces-383C\":[\"Propagating tree\",6731,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/383\\\"\\u003eCodeforces Round 225 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-817C\":[\"Really Big Numbers\",8055,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/817\\\"\\u003eEducational Codeforces Round 23\\u003c/a\\u003e\"],\"AtCoder-abc118_d\":[\"Match Matching\",387,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc118\\\"\\u003eAtCoder Beginner Contest 118\\u003c/a\\u003e\"],\"AtCoder-abc205_e\":[\"White and Black Balls\",386,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc205\\\"\\u003eAtCoder Beginner Contest 205\\u003c/a\\u003e\"],\"AtCoder-abc171_f\":[\"Strivore\",807,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc171\\\"\\u003eAtCoder Beginner Contest 171\\u003c/a\\u003e\"],\"CSES-2428\":[\"Subarray Distinct Values\",7832,\"Sorting and Searching\"],\"Kattis-zoning\":[\"Zoning\",229,\"\"],\"CSES-2422\":[\"Multiplication Table\",3118,\"Additional Problems\"],\"CodeForces-245H\":[\"Queries for Number of Palindromes\",6876,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/245\\\"\\u003eCROC-MBTU 2012, Elimination Round (ACM-ICPC)\\u003c/a\\u003e\"],\"CodeForces-451E\":[\"Devu and Flowers\",3908,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/451\\\"\\u003eCodeforces Round 258 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-52C\":[\"Circular RMQ\",9601,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/52\\\"\\u003eCodeforces Testing Round 1\\u003c/a\\u003e\"],\"AtCoder-abc270_d\":[\"Stones\",1608,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc270\\\"\\u003eTOYOTA MOTOR CORPORATION Programming Contest 2022(AtCoder Beginner Contest 270)\\u003c/a\\u003e\"],\"CodeForces-909E\":[\"Coprocessor\",2187,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/909\\\"\\u003eCodeforces Round 455 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-269B\":[\"Greenhouse Effect\",6650,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/269\\\"\\u003eCodeforces Round 165 (Div. 1)\\u003c/a\\u003e\"],\"AtCoder-abc184_e\":[\"Third Avenue\",1427,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc184\\\"\\u003eAtCoder Beginner Contest 184\\u003c/a\\u003e\"],\"UVA-610\":[\"Street Directions\",2336,null],\"Kattis-oceancurrents\":[\"Ocean Currents\",295,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202009-02-08\\\"\\u003eWaterloo Programming Contest 2009-02-08\\u003c/a\\u003e\"],\"Kattis-nikola\":[\"Nikola\",1308,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Regional%20Competition%20in%20Informatics%202008\\\"\\u003eCroatian Regional Competition in Informatics 2008\\u003c/a\\u003e\"],\"USACO-594\":[\"Angry Cows\",39,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003djan16results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2016 January Contest, Silver\\u003c/a\\u003e\"],\"Kattis-listgame\":[\"A List Game\",3954,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Spotify%20Challenge%202010\\\"\\u003eSpotify Challenge 2010\\u003c/a\\u003e\"],\"Kattis-redbluetree\":[\"Red/Blue Spanning Tree\",275,\"\"],\"USACO-597\":[\"Angry Cows\",8,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003djan16results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2016 January Contest, Gold\\u003c/a\\u003e\"],\"Kattis-hauntedgraveyard\":[\"Haunted Graveyard\",415,\"\"],\"CodeForces-1056D\":[\"Decorate Apple Tree\",5806,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1056\\\"\\u003eMail.Ru Cup 2018 Round 3\\u003c/a\\u003e\"],\"CodeForces-1313C1\":[\"Skyscrapers (easy version)\",10373,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1313\\\"\\u003eCodeforces Round 622 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-spiderman\":[\"Spiderman\\u0027s Workout\",2135,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Norwegian/Swedish%20Championships%202003\\\"\\u003eNorwegian/Swedish Championships 2003\\u003c/a\\u003e\"],\"UVA-11806\":[\"Cheerleaders\",2450,null],\"AtCoder-abc172_e\":[\"NEQ\",695,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc172\\\"\\u003eAtCoder Beginner Contest 172\\u003c/a\\u003e\"],\"CodeForces-474D\":[\"Flowers\",25770,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/474\\\"\\u003eCodeforces Round 271 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-474E\":[\"Pillars\",3462,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/474\\\"\\u003eCodeforces Round 271 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-340C\":[\"Tourist Problem\",4394,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/340\\\"\\u003eCodeforces Round 198 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc087_b\":[\"Coins\",1211,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc087\\\"\\u003eAtCoder Beginner Contest 087\\u003c/a\\u003e\"],\"USACO-104\":[\"Haybale Stacking\",0,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003djan12problems\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2012 January Contest, Bronze Division\\u003c/a\\u003e\"],\"CodeForces-1031B\":[\"Curiosity Has No Limits\",4014,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1031\\\"\\u003eTechnocup 2019 - Elimination Round 2\\u003c/a\\u003e\"],\"Kattis-drivinglanes\":[\"Driving Lanes\",315,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Rocky%20Mountain%20Regional%20Programming%20Contest%202018\\\"\\u003eRocky Mountain Regional Programming Contest 2018\\u003c/a\\u003e\"],\"AtCoder-abc185_e\":[\"Sequence Matching\",1109,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc185\\\"\\u003eAtCoder Beginner Contest 185\\u003c/a\\u003e\"],\"AtCoder-abc162_f\":[\"Select Half\",855,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc162\\\"\\u003eAtCoder Beginner Contest 162\\u003c/a\\u003e\"],\"Kattis-test2\":[\"Test\",103,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202004-09-25\\\"\\u003eWaterloo Programming Contest 2004-09-25\\u003c/a\\u003e\"],\"CodeForces-75D\":[\"Big Maximum Sum\",1857,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/75\\\"\\u003eCodeforces Beta Round 67 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-cantinaofbabel\":[\"Cantina of Babel\",1264,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2015%20ICPC%20North%20American%20Qualifier%20Contest\\\"\\u003e2015 ICPC North American Qualifier Contest\\u003c/a\\u003e\"],\"CodeForces-1151B\":[\"Dima and a Bad XOR\",11370,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1151\\\"\\u003eCodeforces Round 553 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-weightofwords\":[\"The Weight Of Words\",788,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2017%20Virginia%20Tech%20High%20School%20Programming%20Contest\\\"\\u003e2017 Virginia Tech High School Programming Contest\\u003c/a\\u003e\"],\"UVA-11908\":[\"Skyscraper\",394,null],\"CodeForces-1260D\":[\"A Game with Traps\",3739,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1260\\\"\\u003eEducational Codeforces Round 77 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1272D\":[\"Remove One Element\",16861,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1272\\\"\\u003eCodeforces Round 605 (Div. 3)\\u003c/a\\u003e\"],\"CodeForces-1538F\":[\"Interesting Function\",18670,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1538\\\"\\u003eCodeforces Round 725 (Div. 3)\\u003c/a\\u003e\"],\"CodeForces-1514C\":[\"Product 1 Modulo N\",14565,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1514\\\"\\u003eCodeforces Round 716 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-data\":[\"Big Data\",247,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/The%202nd%20ProgNova%20Multi-University%20Programming%20Contest%20%282016%29\\\"\\u003eThe 2nd ProgNova Multi-University Programming Contest (2016)\\u003c/a\\u003e\"],\"Kattis-kingofthewaves\":[\"King of the Waves\",304,\"\"],\"Kattis-blockcrusher\":[\"Block Crusher\",982,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"CodeForces-431C\":[\"k-Tree\",26066,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/431\\\"\\u003eCodeforces Round 247 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-346D\":[\"Robot Control\",720,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/346\\\"\\u003eCodeforces Round 201 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-225C\":[\"Barcode\",9561,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/225\\\"\\u003eCodeforces Round 139 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1081C\":[\"Colorful Bricks\",7550,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1081\\\"\\u003eAvito Cool Challenge 2018\\u003c/a\\u003e\"],\"Kattis-kutevi\":[\"Kutevi\",507,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Open%20Competition%20in%20Informatics%202009/2010%2C%20contest%20%232\\\"\\u003eCroatian Open Competition in Informatics 2009/2010, contest #2\\u003c/a\\u003e\"],\"Kattis-inventing\":[\"Inventing Test Data\",161,\"\"],\"CodeForces-467C\":[\"George and Job\",15319,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/467\\\"\\u003eCodeforces Round 267 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-467D\":[\"Fedor and Essay\",1943,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/467\\\"\\u003eCodeforces Round 267 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1081D\":[\"Maximum Distance\",4094,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1081\\\"\\u003eAvito Cool Challenge 2018\\u003c/a\\u003e\"],\"CodeForces-782B\":[\"The Meeting Place Cannot Be Changed\",585,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/782\\\"\\u003eCodeforces Round 403 (Div. 2, based on Technocup 2017 Finals)\\u003c/a\\u003e\"],\"Kattis-turbo\":[\"Turbo\",1064,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Open%20Competition%20in%20Informatics%202007/2008%2C%20contest%20%232\\\"\\u003eCroatian Open Competition in Informatics 2007/2008, contest #2\\u003c/a\\u003e\"],\"CodeForces-1513C\":[\"Add One\",13666,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1513\\\"\\u003eDivide by Zero 2021 and Codeforces Round 714 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1610C\":[\"Keshi Is Throwing a Party\",10899,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1610\\\"\\u003eCodeforces Global Round 17\\u003c/a\\u003e\"],\"CodeForces-1513D\":[\"GCD and MST\",5143,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1513\\\"\\u003eDivide by Zero 2021 and Codeforces Round 714 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1767D\":[\"Playoff\",9428,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1767\\\"\\u003eEducational Codeforces Round 140 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1307C\":[\"Cow and Message\",11879,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1307\\\"\\u003eCodeforces Round 621 (Div. 1 + Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc261_e\":[\"Many Operations\",1740,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc261\\\"\\u003eAtCoder Beginner Contest 261\\u003c/a\\u003e\"],\"UVA-10755\":[\"Garbage Heap\",2705,null],\"AtCoder-abc197_f\":[\"Construct a Palindrome\",459,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc197\\\"\\u003eAtCoder Beginner Contest 197(Sponsored by Panasonic)\\u003c/a\\u003e\"],\"AtCoder-abc197_e\":[\"Traveler\",1199,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc197\\\"\\u003eAtCoder Beginner Contest 197(Sponsored by Panasonic)\\u003c/a\\u003e\"],\"Kattis-muzicari\":[\"Muzicari\",545,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Open%20Competition%20in%20Informatics%202007/2008%2C%20contest%20%234\\\"\\u003eCroatian Open Competition in Informatics 2007/2008, contest #4\\u003c/a\\u003e\"],\"CodeForces-793D\":[\"Presents in Bankopolis\",1618,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/793\\\"\\u003eTinkoff Challenge - Elimination Round\\u003c/a\\u003e\"],\"CodeForces-660C\":[\"Hard Process\",10818,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/660\\\"\\u003eEducational Codeforces Round 11\\u003c/a\\u003e\"],\"Kattis-ticketpricing\":[\"Plane Ticket Pricing\",436,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Rocky%20Mountain%20Regional%20Contest%20%28RMRC%29%202014\\\"\\u003eRocky Mountain Regional Contest (RMRC) 2014\\u003c/a\\u003e\"],\"CodeForces-1536C\":[\"Diluc and Kaeya\",13748,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1536\\\"\\u003eCodeforces Round 724 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1633D\":[\"Make Them Equal\",13384,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1633\\\"\\u003eEducational Codeforces Round 122 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-332B\":[\"Maximum Absurdity\",8351,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/332\\\"\\u003eCodeforces Round 193 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-presidentialelections\":[\"Presidential Elections\",393,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Benelux%20Algorithm%20Programming%20Contest%20%28BAPC%29%20preliminaries%202016\\\"\\u003eBenelux Algorithm Programming Contest (BAPC) preliminaries 2016\\u003c/a\\u003e\"],\"UVA-11838\":[\"Come and Go\",4467,null],\"CodeForces-598D\":[\"Igor In the Museum\",12083,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/598\\\"\\u003eEducational Codeforces Round 1\\u003c/a\\u003e\"],\"AtCoder-abc054_d\":[\"Mixing Experiment\",286,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc054\\\"\\u003eAtCoder Beginner Contest 054\\u003c/a\\u003e\"],\"CodeForces-1535C\":[\"Unstable String\",16302,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1535\\\"\\u003eEducational Codeforces Round 110 (Rated for Div. 2)\\u003c/a\\u003e\"],\"Kattis-invasion\":[\"Invasion\",299,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/CTU%20Open%202011\\\"\\u003eCTU Open 2011\\u003c/a\\u003e\"],\"CodeForces-1632C\":[\"Strange Test\",12422,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1632\\\"\\u003eCodeforces Round 769 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1789C\":[\"Serval and Toxel\\u0027s Arrays\",8117,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1789\\\"\\u003eCodeforces Round 853 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1644C\":[\"Increase Subarray Sums\",13489,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1644\\\"\\u003eEducational Codeforces Round 123 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1777C\":[\"Quiz Master\",7731,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1777\\\"\\u003eCodeforces Round 845 (Div. 2) and ByteRace 2023\\u003c/a\\u003e\"],\"CodeForces-343D\":[\"Water Tree\",6431,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/343\\\"\\u003eCodeforces Round 200 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-149D\":[\"Coloring Brackets\",4951,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/149\\\"\\u003eCodeforces Round 106 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11703\":[\"sqrt log sin\",2247,null],\"Kattis-islandhopping\":[\"Island Hopping\",1273,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"CodeForces-1741E\":[\"Sending a Sequence Over the Network\",11230,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1741\\\"\\u003eCodeforces Round 826 (Div. 3)\\u003c/a\\u003e\"],\"USACO-419\":[\"Sabotage\",6,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003dmar14problems\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2014 March Contest, Gold\\u003c/a\\u003e\"],\"AtCoder-abc175_e\":[\"Picking Goods\",1096,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc175\\\"\\u003eAtCoder Beginner Contest 175\\u003c/a\\u003e\"],\"UVA-247\":[\"Calling Circles\",5627,null],\"AtCoder-abc152_f\":[\"Tree and Constraints\",389,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc152\\\"\\u003eAtCoder Beginner Contest 152\\u003c/a\\u003e\"],\"CodeForces-597C\":[\"Subsequences\",5109,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/597\\\"\\u003eTesting Round 12\\u003c/a\\u003e\"],\"AtCoder-abc209_e\":[\"Shiritori\",325,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc209\\\"\\u003eAtCoder Beginner Contest 209\\u003c/a\\u003e\"],\"CSES-1085\":[\"Array Division\",13942,\"Sorting and Searching\"],\"UVA-12862\":[\"Intrepid climber\",279,null],\"Kattis-nonprimefactors\":[\"Non-Prime Factors\",1454,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2018%20ICPC%20Asia%20Singapore%20Regional\\\"\\u003e2018 ICPC Asia Singapore Regional\\u003c/a\\u003e\"],\"USACO-643\":[\"Diamond Collector\",37,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003dopen16results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2016 US Open Contest, Silver\\u003c/a\\u003e\"],\"CodeForces-459D\":[\"Pashmak and Parmida\\u0027s problem\",10599,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/459\\\"\\u003eCodeforces Round 261 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10325\":[\"The Lottery\",2919,null],\"AtCoder-abc188_e\":[\"Peddler\",1890,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc188\\\"\\u003eAtCoder Beginner Contest 188\\u003c/a\\u003e\"],\"Kattis-hogwarts2\":[\"Hogwarts\",122,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Rocky%20Mountain%20Regional%20Programming%20Contest%202019\\\"\\u003eRocky Mountain Regional Programming Contest 2019\\u003c/a\\u003e\"],\"CodeForces-1073D\":[\"Berland Fair\",6740,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1073\\\"\\u003eEducational Codeforces Round 53 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1061C\":[\"Multiplicity\",9130,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1061\\\"\\u003eCodeforces Round 523 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-689B\":[\"Mike and Shortcuts\",6354,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/689\\\"\\u003eCodeforces Round 361 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-consecutivesums\":[\"Sums\",868,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Central%20Europe%20Regional%20Contest%20%28CERC%29%202014\\\"\\u003eCentral Europe Regional Contest (CERC) 2014\\u003c/a\\u003e\"],\"Kattis-loopycabdrivers\":[\"Loopy Cab Drivers\",103,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"USACO-991\":[\"Loan Repayment\",30,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003djan20results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2020 January Contest, Silver\\u003c/a\\u003e\"],\"AtCoder-arc145_a\":[\"AB Palindrome\",2584,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/arc145\\\"\\u003eAtCoder Regular Contest 145\\u003c/a\\u003e\"],\"CodeForces-1517D\":[\"Explorer Space\",7518,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1517\\\"\\u003eContest 2050 and Codeforces Round 718 (Div. 1 + Div. 2)\\u003c/a\\u003e\"],\"UVA-11407\":[\"Squares\",2447,null],\"Kattis-worstweather\":[\"Worst Weather Ever\",281,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Nordic%20Collegiate%20Programming%20Contest%20%28NCPC%29%202005\\\"\\u003eNordic Collegiate Programming Contest (NCPC) 2005\\u003c/a\\u003e\"],\"Kattis-crosscountry\":[\"Cross Country\",688,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/IDI%20Open%202018\\\"\\u003eIDI Open 2018\\u003c/a\\u003e\"],\"CodeForces-204A\":[\"Little Elephant and Interval\",6033,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/204\\\"\\u003eCodeforces Round 129 (Div. 1)\\u003c/a\\u003e\"],\"UVA-10312\":[\"Expression Bracketing\",1088,null],\"Kattis-meowfactor\":[\"Meow Factor\",769,\"\"],\"Kattis-justforsidekicks\":[\"Just for Sidekicks\",973,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/NUS%20Competitive%20Programming\\\"\\u003eNUS Competitive Programming\\u003c/a\\u003e\"],\"CodeForces-1084C\":[\"The Fair Nut and String\",8221,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1084\\\"\\u003eCodeforces Round 526 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-cocoacoalition\":[\"Cocoa Coalition\",616,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Nordic%20Collegiate%20Programming%20Contest%20%28NCPC%29%202019\\\"\\u003eNordic Collegiate Programming Contest (NCPC) 2019\\u003c/a\\u003e\"],\"Kattis-kitchencombinatorics\":[\"Kitchen Combinatorics\",336,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Northwestern%20Europe%20Regional%20Contest%20%28NWERC%29%202015\\\"\\u003eNorthwestern Europe Regional Contest (NWERC) 2015\\u003c/a\\u003e\"],\"AtCoder-abc153_e\":[\"Crested Ibis vs Monster\",2397,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc153\\\"\\u003eAtCoder Beginner Contest 153\\u003c/a\\u003e\"],\"CodeForces-543B\":[\"Destroying Roads\",4092,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/543\\\"\\u003eCodeforces Round 302 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-676C\":[\"Vasya and String\",20874,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/676\\\"\\u003eCodeforces Round 354 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-894B\":[\"Ralph And His Magic Field\",4778,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/894\\\"\\u003eCodeforces Round 447 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc130_d\":[\"Enough Array\",2596,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc130\\\"\\u003eAtCoder Beginner Contest 130\\u003c/a\\u003e\"],\"Kattis-errands\":[\"Errands\",171,\"\"],\"CodeForces-761C\":[\"Dasha and Password\",6144,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/761\\\"\\u003eCodeforces Round 394 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-991D\":[\"Bishwock\",7556,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/991\\\"\\u003eCodeforces Round 491 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-beepers\":[\"Collecting Beepers\",697,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Norwegian/Swedish%20Championships%202002\\\"\\u003eNorwegian/Swedish Championships 2002\\u003c/a\\u003e\"],\"CSES-1079\":[\"Binomial Coefficients\",6686,\"Mathematics\"],\"Kattis-almostperfect\":[\"Almost Perfect\",3392,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"Kattis-thinkingofanumber\":[\"I\\u0027m Thinking of a Number\",635,\"\"],\"UVA-11631\":[\"Dark roads\",7837,null],\"CodeForces-1516B\":[\"AGAGA XOOORRR\",18627,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1516\\\"\\u003eCodeforces Round 717 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc275_d\":[\"Yet Another Recursive Function\",3337,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc275\\\"\\u003eAtCoder Beginner Contest 275\\u003c/a\\u003e\"],\"USACO-862\":[\"Cowpatibility\",20,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003ddec18results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2018 December Contest, Gold\\u003c/a\\u003e\"],\"CodeForces-1625C\":[\"Road Optimization\",10544,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1625\\\"\\u003eCodeforces Round 765 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-300C\":[\"Beautiful Numbers\",10060,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/300\\\"\\u003eCodeforces Round 181 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1516C\":[\"Baby Ehab Partitions Again\",11727,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1516\\\"\\u003eCodeforces Round 717 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-xyzzy\":[\"XYZZY\",362,\"\"],\"CodeForces-118D\":[\"Caesar\\u0027s Legions\",18177,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/118\\\"\\u003eCodeforces Beta Round 89 (Div. 2)\\u003c/a\\u003e\"],\"UVA-11514\":[\"Batman\",337,null],\"Kattis-pascal\":[\"Pascal\",1012,\"\"],\"UVA-315\":[\"Network\",9473,null],\"CodeForces-566F\":[\"Clique in the Divisibility Graph\",3775,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/566\\\"\\u003eVK Cup 2015 - Finals, online mirror\\u003c/a\\u003e\"],\"CodeForces-1282B2\":[\"K for the Price of One (Hard Version)\",10148,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1282\\\"\\u003eCodeforces Round 610 (Div. 2)\\u003c/a\\u003e\"],\"UVA-796\":[\"Critical Links\",6297,null],\"CodeForces-990D\":[\"Graph And Its Complement\",3938,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/990\\\"\\u003eEducational Codeforces Round 45 (Rated for Div. 2)\\u003c/a\\u003e\"],\"UVA-12951\":[\"Stock Market\",264,null],\"USACO-1018\":[\"Help Yourself\",4,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003dfeb20results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2020 February Contest, Gold\\u003c/a\\u003e\"],\"CodeForces-1418C\":[\"Mortal Kombat Tower\",18869,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1418\\\"\\u003eEducational Codeforces Round 95 (Rated for Div. 2)\\u003c/a\\u003e\"],\"UVA-11504\":[\"Dominos\",5211,null],\"CodeForces-359C\":[\"Prime Number\",3213,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/359\\\"\\u003eCodeforces Round 209 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc154_f\":[\"Many Many Paths\",534,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc154\\\"\\u003eAtCoder Beginner Contest 154\\u003c/a\\u003e\"],\"UVA-12955\":[\"Factorial\",779,null],\"Kattis-tutorial\":[\"ICPC Tutorial\",1759,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/ICPC%20SG%20Preliminary%20Contest%202015\\\"\\u003eICPC SG Preliminary Contest 2015\\u003c/a\\u003e\"],\"USACO-738\":[\"Paired Up\",47,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003dopen17results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2017 US Open Contest, Silver\\u003c/a\\u003e\"],\"CodeForces-117B\":[\"Very Interesting Game\",1698,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/117\\\"\\u003eCodeforces Beta Round 88\\u003c/a\\u003e\"],\"Kattis-supercomputer\":[\"Supercomputer\",2414,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Reykjav%C3%ADk%20University%20%C3%81FLV%202016\\\"\\u003eReykjavík University ÁFLV 2016\\u003c/a\\u003e\"],\"Kattis-namethatpermutation\":[\"Name That Permutation\",297,\"\"],\"USACO-858\":[\"Convention\",47,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003ddec18results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2018 December Contest, Silver\\u003c/a\\u003e\"],\"Kattis-fundamentalneighbors\":[\"Fundamental Neighbors\",775,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"CodeForces-468B\":[\"Two Sets\",4194,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/468\\\"\\u003eCodeforces Round 268 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-577B\":[\"Modulo Sum\",12599,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/577\\\"\\u003eCodeforces Round 319 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc131_f\":[\"Must Be Rectangular!\",382,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc131\\\"\\u003eAtCoder Beginner Contest 131\\u003c/a\\u003e\"],\"Kattis-debugging\":[\"Debugging\",348,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Northwestern%20Europe%20Regional%20Contest%20%28NWERC%29%202015\\\"\\u003eNorthwestern Europe Regional Contest (NWERC) 2015\\u003c/a\\u003e\"],\"AtCoder-abc131_c\":[\"Anti-Division\",3921,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc131\\\"\\u003eAtCoder Beginner Contest 131\\u003c/a\\u003e\"],\"Kattis-fiat\":[\"Fiat\",329,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/NUS%20Competitive%20Programming\\\"\\u003eNUS Competitive Programming\\u003c/a\\u003e\"],\"Kattis-alphabet\":[\"Alphabet\",2055,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2016%20Southeast%20USA%20Regionals%20Division%201\\\"\\u003e2016 Southeast USA Regionals Division 1\\u003c/a\\u003e\"],\"CodeForces-1528A\":[\"Parsa\\u0027s Humongous Tree\",14292,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1528\\\"\\u003eCodeforces Round 722 (Div. 1)\\u003c/a\\u003e\"],\"UVA-11450\":[\"Wedding shopping\",6964,null],\"CodeForces-1239D\":[\"Catowice City\",2067,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1239\\\"\\u003eCodeforces Round 594 (Div. 1)\\u003c/a\\u003e\"],\"Kattis-dungeon\":[\"Dungeon master\",689,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/University%20of%20Ulm%20Local%20Contest%201997\\\"\\u003eUniversity of Ulm Local Contest 1997\\u003c/a\\u003e\"],\"CodeForces-439E\":[\"Devu and Birthday Celebration\",1609,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/439\\\"\\u003eCodeforces Round 251 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1542C\":[\"Strange Function\",13869,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1542\\\"\\u003eCodeforces Round 729 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10007\":[\"Count the Trees\",2909,null],\"CodeForces-1796C\":[\"Maximum Set\",9847,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1796\\\"\\u003eEducational Codeforces Round 144 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-548B\":[\"Mike and Fun\",8844,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/548\\\"\\u003eCodeforces Round 305 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-5C\":[\"Longest Regular Bracket Sequence\",14263,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/5\\\"\\u003eCodeforces Beta Round 5\\u003c/a\\u003e\"],\"CodeForces-500B\":[\"New Year Permutation\",9513,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/500\\\"\\u003eGood Bye 2014\\u003c/a\\u003e\"],\"Kattis-canonical\":[\"Canonical Coin Systems\",1209,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2017%20ICPC%20North%20American%20Qualifier%20Contest\\\"\\u003e2017 ICPC North American Qualifier Contest\\u003c/a\\u003e\"],\"UVA-12654\":[\"Patches\",319,null],\"CodeForces-1359D\":[\"Yet Another Yet Another Task\",9183,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1359\\\"\\u003eEducational Codeforces Round 88 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1105C\":[\"Ayoub and Lost Array\",11043,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1105\\\"\\u003eCodeforces Round 533 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1117C\":[\"Magic Ship\",6842,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1117\\\"\\u003eEducational Codeforces Round 60 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1238C\":[\"Standard Free2play\",7405,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1238\\\"\\u003eEducational Codeforces Round 74 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-29D\":[\"Ant on the Tree\",2553,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/29\\\"\\u003eCodeforces Beta Round 29 (Div. 2, Codeforces format)\\u003c/a\\u003e\"],\"Kattis-arcticnetwork\":[\"Arctic Network\",1100,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202002-09-28\\\"\\u003eWaterloo Programming Contest 2002-09-28\\u003c/a\\u003e\"],\"CodeForces-17B\":[\"Hierarchy\",5295,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/17\\\"\\u003eCodeforces Beta Round 17\\u003c/a\\u003e\"],\"CodeForces-402D\":[\"Upgrading Array\",2719,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/402\\\"\\u003eCodeforces Round 236 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-29E\":[\"Quarrel\",964,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/29\\\"\\u003eCodeforces Beta Round 29 (Div. 2, Codeforces format)\\u003c/a\\u003e\"],\"AtCoder-abc155_e\":[\"Payment\",871,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc155\\\"\\u003eAtCoder Beginner Contest 155\\u003c/a\\u003e\"],\"CodeForces-414B\":[\"Mashmokh and ACM\",22169,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/414\\\"\\u003eCodeforces Round 240 (Div. 1)\\u003c/a\\u003e\"],\"AtCoder-abc178_d\":[\"Redistribution\",3810,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc178\\\"\\u003eAtCoder Beginner Contest 178\\u003c/a\\u003e\"],\"CodeForces-1553D\":[\"Backspace\",13581,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1553\\\"\\u003eHarbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2)\\u003c/a\\u003e\"],\"USACO-715\":[\"Why Did the Cow Cross the Road II\",69,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003dfeb17results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2017 February Contest, Silver\\u003c/a\\u003e\"],\"Kattis-trainsorting\":[\"Train Sorting\",1278,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202008-06-15\\\"\\u003eWaterloo Programming Contest 2008-06-15\\u003c/a\\u003e\"],\"Kattis-drivingrange\":[\"Driving Range\",591,\"\"],\"CodeForces-547C\":[\"Mike and Foam\",2866,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/547\\\"\\u003eCodeforces Round 305 (Div. 1)\\u003c/a\\u003e\"],\"AtCoder-abc132_e\":[\"Hopscotch Addict\",774,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc132\\\"\\u003eAtCoder Beginner Contest 132\\u003c/a\\u003e\"],\"CodeForces-741C\":[\"Arpa’s overnight party and Mehrdad’s silent entering\",2516,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/741\\\"\\u003eCodeforces Round 383 (Div. 1)\\u003c/a\\u003e\"],\"Kattis-ninepacks\":[\"Nine Packs\",1215,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2016%20ICPC%20North%20American%20Qualifier%20Contest\\\"\\u003e2016 ICPC North American Qualifier Contest\\u003c/a\\u003e\"],\"USACO-1085\":[\"Just Stalling\",33,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003djan21results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2021 January Contest, Bronze\\u003c/a\\u003e\"],\"AtCoder-abc057_d\":[\"Maximum Average Sets\",293,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc057\\\"\\u003eAtCoder Beginner Contest 057\\u003c/a\\u003e\"],\"UVA-11310\":[\"Delivery Debacle\",1676,null],\"CodeForces-14D\":[\"Two Paths\",4724,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/14\\\"\\u003eCodeforces Beta Round 14 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc254_c\":[\"K Swap\",4619,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc254\\\"\\u003eAtCoder Beginner Contest 254\\u003c/a\\u003e\"],\"AtCoder-abc231_e\":[\"Minimal payments\",703,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc231\\\"\\u003ePanasonic Programming Contest 2021(AtCoder Beginner Contest 231)\\u003c/a\\u003e\"],\"CodeForces-449D\":[\"Jzzhu and Numbers\",4376,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/449\\\"\\u003eCodeforces Round 257 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-1455D\":[\"Sequence and Swaps\",12185,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1455\\\"\\u003eEducational Codeforces Round 99 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1697C\":[\"awoo\\u0027s Favorite Problem\",14165,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1697\\\"\\u003eEducational Codeforces Round 130 (Rated for Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1794D\":[\"Counting Factorizations\",3367,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1794\\\"\\u003eCodeforces Round 856 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-449B\":[\"Jzzhu and Cities\",9544,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/449\\\"\\u003eCodeforces Round 257 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-1673C\":[\"Palindrome Basis\",11873,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1673\\\"\\u003eCodeforces Round 785 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1462E2\":[\"Close Tuples (hard version)\",9518,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1462\\\"\\u003eCodeforces Round 690 (Div. 3)\\u003c/a\\u003e\"],\"CodeForces-534B\":[\"Covered Path\",10862,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/534\\\"\\u003eCodeforces Round 298 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc122_d\":[\"We Like AGC\",463,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc122\\\"\\u003eAtCoder Beginner Contest 122\\u003c/a\\u003e\"],\"CodeForces-510C\":[\"Fox And Names\",17148,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/510\\\"\\u003eCodeforces Round 290 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-873B\":[\"Balanced Substring\",8873,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/873\\\"\\u003eEducational Codeforces Round 30\\u003c/a\\u003e\"],\"Kattis-inversefactorial\":[\"Inverse Factorial\",1942,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2016%20ICPC%20North%20American%20Qualifier%20Contest\\\"\\u003e2016 ICPC North American Qualifier Contest\\u003c/a\\u003e\"],\"CodeChef-SEATRSF\":[\"Sereja and Transformation\",1046,\"sereja_adm\"],\"Kattis-fulltank\":[\"Full Tank?\",439,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Nordic%20Collegiate%20Programming%20Contest%20%28NCPC%29%202007\\\"\\u003eNordic Collegiate Programming Contest (NCPC) 2007\\u003c/a\\u003e\"],\"Kattis-flowerytrails\":[\"Flowery Trails\",933,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Southwestern%20Europe%20Regional%20Contest%20%28SWERC%29%202014\\\"\\u003eSouthwestern Europe Regional Contest (SWERC) 2014\\u003c/a\\u003e\"],\"Kattis-ones\":[\"Ones\",1074,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202001-06-02\\\"\\u003eWaterloo Programming Contest 2001-06-02\\u003c/a\\u003e\"],\"Kattis-buttonbashing\":[\"Button Bashing\",1408,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Benelux%20Algorithm%20Programming%20Contest%20%28BAPC%29%202014\\\"\\u003eBenelux Algorithm Programming Contest (BAPC) 2014\\u003c/a\\u003e\"],\"CodeForces-1248C\":[\"Ivan the Fool and the Probability Theory\",230,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1248\\\"\\u003eCodeforces Round 594 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-27D\":[\"Ring Road 2\",2586,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/27\\\"\\u003eCodeforces Beta Round 27 (Codeforces format, Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc156_e\":[\"Roaming\",1034,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc156\\\"\\u003eAtCoder Beginner Contest 156\\u003c/a\\u003e\"],\"CodeForces-327C\":[\"Magic Five\",3709,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/327\\\"\\u003eCodeforces Round 191 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-339D\":[\"Xenia and Bit Operations\",26506,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/339\\\"\\u003eCodeforces Round 197 (Div. 2)\\u003c/a\\u003e\"],\"UVA-10334\":[\"Ray Through Glasses\",5371,null],\"Kattis-relatives\":[\"Relatives\",566,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202002-06-01\\\"\\u003eWaterloo Programming Contest 2002-06-01\\u003c/a\\u003e\"],\"CodeForces-545C\":[\"Woodcutters\",28102,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/545\\\"\\u003eCodeforces Round 303 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-freckles\":[\"Freckles\",870,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202000-09-23\\\"\\u003eWaterloo Programming Contest 2000-09-23\\u003c/a\\u003e\"],\"Kattis-walrusweights\":[\"Walrus Weights\",1704,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Popup%202015%20Session%201\\\"\\u003ePopup 2015 Session 1\\u003c/a\\u003e\"],\"Kattis-primereduction\":[\"Prime Reduction\",1240,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Baylor%20Competitive%20Learning%20course\\\"\\u003eBaylor Competitive Learning course\\u003c/a\\u003e\"],\"Kattis-magical3\":[\"The Magical 3\",573,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Rocky%20Mountain%20Regional%20Contest%20%28RMRC%29%202015\\\"\\u003eRocky Mountain Regional Contest (RMRC) 2015\\u003c/a\\u003e\"],\"Kattis-lost\":[\"Lost in Translation\",427,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2016%20ICPC%20East-Central%20NA%20Regional%20Contest\\\"\\u003e2016 ICPC East-Central NA Regional Contest\\u003c/a\\u003e\"],\"AtCoder-abc146_f\":[\"Sugoroku\",734,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc146\\\"\\u003eAtCoder Beginner Contest 146\\u003c/a\\u003e\"],\"AtCoder-abc169_f\":[\"Knapsack for All Subsets\",911,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc169\\\"\\u003eAtCoder Beginner Contest 169\\u003c/a\\u003e\"],\"Kattis-prsteni\":[\"Prsteni\",2491,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Open%20Competition%20in%20Informatics%202006/2007%2C%20contest%20%234\\\"\\u003eCroatian Open Competition in Informatics 2006/2007, contest #4\\u003c/a\\u003e\"],\"CodeForces-9E\":[\"Interestring graph and Apples\",1062,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/9\\\"\\u003eCodeforces Beta Round 9 (Div. 2 Only)\\u003c/a\\u003e\"],\"USACO-918\":[\"Sleepy Cow Herding\",13,\"\\u003ca href\\u003d\\u0027https://usaco.org/index.php?page\\u003dfeb19results\\u0027 target\\u003d\\u0027_blank\\u0027\\u003eUSACO 2019 February Contest, Silver\\u003c/a\\u003e\"],\"Kattis-fire2\":[\"Fire\",848,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Benelux%20Algorithm%20Programming%20Contest%20%28BAPC%29%202012\\\"\\u003eBenelux Algorithm Programming Contest (BAPC) 2012\\u003c/a\\u003e\"],\"CodeForces-855B\":[\"Marvolo Gaunt\\u0027s Ring\",9314,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/855\\\"\\u003eManthan, Codefest 17\\u003c/a\\u003e\"],\"CodeForces-9D\":[\"How many trees?\",4119,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/9\\\"\\u003eCodeforces Beta Round 9 (Div. 2 Only)\\u003c/a\\u003e\"],\"CodeForces-940B\":[\"Our Tanya is Crying Out Loud\",9440,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/940\\\"\\u003eCodeforces Round 466 (Div. 2)\\u003c/a\\u003e\"],\"AtCoder-abc232_e\":[\"Rook Path\",1147,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc232\\\"\\u003eM-SOLUTIONS Programming Contest 2021(AtCoder Beginner Contest 232)\\u003c/a\\u003e\"],\"UVA-11367\":[\"Full Tank?\",2081,null],\"UVA-11485\":[\"Extreme Discrete Summation\",177,null],\"Kattis-exactchange2\":[\"Exact Change\",1726,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202008-10-04\\\"\\u003eWaterloo Programming Contest 2008-10-04\\u003c/a\\u003e\"],\"CodeForces-1109A\":[\"Sasha and a Bit of Relax\",8484,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1109\\\"\\u003eCodeforces Round 539 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-1303D\":[\"Fill The Bag\",7055,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1303\\\"\\u003eEducational Codeforces Round 82 (Rated for Div. 2)\\u003c/a\\u003e\"],\"Kattis-elevatortrouble\":[\"Elevator Trouble\",1061,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Nordic%20Collegiate%20Programming%20Contest%20%28NCPC%29%202011\\\"\\u003eNordic Collegiate Programming Contest (NCPC) 2011\\u003c/a\\u003e\"],\"Kattis-naturereserve\":[\"Nature Reserve\",848,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/The%202016%20ACM%20-%20ICPC%20Asia%20Nha%20Trang%20Regional%20Contest\\\"\\u003eThe 2016 ACM - ICPC Asia Nha Trang Regional Contest\\u003c/a\\u003e\"],\"CodeForces-1666F\":[\"Fancy Stack\",1123,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1666\\\"\\u003e2021-2022 ICPC, NERC, Northern Eurasia Onsite (Unrated, Online Mirror, ICPC Rules, Teams Preferred)\\u003c/a\\u003e\"],\"Kattis-bustour\":[\"Bus Tour\",219,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/International%20Collegiate%20Programming%20Contest%20%28ACM-ICPC%29%20World%20Finals%202012\\\"\\u003eInternational Collegiate Programming Contest (ACM-ICPC) World Finals 2012\\u003c/a\\u003e\"],\"CodeForces-987C\":[\"Three displays\",14045,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/987\\\"\\u003eCodeforces Round 485 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-721C\":[\"Journey\",6076,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/721\\\"\\u003eCodeforces Round 374 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-anothercandies\":[\"Another Candies\",3483,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/IPSC%202006\\\"\\u003eIPSC 2006\\u003c/a\\u003e\"],\"CodeForces-191A\":[\"Dynasty Puzzles\",4545,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/191\\\"\\u003eCodeforces Round 121 (Div. 1)\\u003c/a\\u003e\"],\"UVA-12324\":[\"Philip J. Fry Problem\",771,null],\"CodeForces-1689C\":[\"Infected Tree\",10738,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1689\\\"\\u003eCodeforces Round 798 (Div. 2)\\u003c/a\\u003e\"],\"CodeForces-1677A\":[\"Tokitsukaze and Strange Inequality\",8146,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1677\\\"\\u003eCodeforces Round 789 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-1108D\":[\"Diverse Garland\",15759,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1108\\\"\\u003eCodeforces Round 535 (Div. 3)\\u003c/a\\u003e\"],\"CodeForces-1205B\":[\"Shortest Cycle\",6555,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1205\\\"\\u003eCodeforces Round 580 (Div. 1)\\u003c/a\\u003e\"],\"AtCoder-abc210_d\":[\"National Railway\",1180,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc210\\\"\\u003eAtCoder Beginner Contest 210\\u003c/a\\u003e\"],\"Kattis-jurassicjigsaw\":[\"Jurassic Jigsaw\",501,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Benelux%20Algorithm%20Programming%20Contest%20%28BAPC%29%20preliminaries%202018\\\"\\u003eBenelux Algorithm Programming Contest (BAPC) preliminaries 2018\\u003c/a\\u003e\"],\"AtCoder-abc147_e\":[\"Balanced Path\",571,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc147\\\"\\u003eAtCoder Beginner Contest 147\\u003c/a\\u003e\"],\"Kattis-landline\":[\"Landline Telephone Network\",386,\"\"],\"Kattis-reseto\":[\"Reseto\",1143,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Open%20Competition%20in%20Informatics%202008/2009%2C%20contest%20%232\\\"\\u003eCroatian Open Competition in Informatics 2008/2009, contest #2\\u003c/a\\u003e\"],\"CodeForces-877D\":[\"Olya and Energy Drinks\",4444,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/877\\\"\\u003eCodeforces Round 442 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-silueta\":[\"Silueta\",63,\"\"],\"Kattis-spider\":[\"Simon the Spider\",52,\"\"],\"CodeForces-732F\":[\"Tourist Reform\",2396,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/732\\\"\\u003eCodeforces Round 377 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-cats\":[\"A Feast For Cats\",1386,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/IDI%20Open%202015\\\"\\u003eIDI Open 2015\\u003c/a\\u003e\"],\"Kattis-spiral\":[\"Prime Spiral\",261,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/International%20Collegiate%20Programming%20Contest%20%28ACM-ICPC%29%20Dress%20Rehearsal%202012\\\"\\u003eInternational Collegiate Programming Contest (ACM-ICPC) Dress Rehearsal 2012\\u003c/a\\u003e\"],\"Kattis-studentsko\":[\"Studentsko\",140,\"\"],\"Kattis-horror\":[\"Horror List\",1400,\"\"],\"Kattis-dominos\":[\"Dominos\",2011,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Waterloo%20Programming%20Contest%202008-09-27\\\"\\u003eWaterloo Programming Contest 2008-09-27\\u003c/a\\u003e\"],\"Kattis-primesieve\":[\"Prime Sieve\",1960,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/KTH%20CSC%20Popup%202005\\\"\\u003eKTH CSC Popup 2005\\u003c/a\\u003e\"],\"CodeForces-1204C\":[\"Anna, Svyatoslav and Maps\",6738,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/1204\\\"\\u003eCodeforces Round 581 (Div. 2)\\u003c/a\\u003e\"],\"Kattis-grid\":[\"Grid\",2467,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2015%20Southeast%20USA%20Regionals%20Division%201\\\"\\u003e2015 Southeast USA Regionals Division 1\\u003c/a\\u003e\"],\"CodeForces-19B\":[\"Checkout Assistant\",4907,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/19\\\"\\u003eCodeforces Beta Round 19\\u003c/a\\u003e\"],\"CodeForces-429B\":[\"Working out\",9838,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/429\\\"\\u003eCodeforces Round 245 (Div. 1)\\u003c/a\\u003e\"],\"CodeForces-888D\":[\"Almost Identity Permutations\",8254,\"\\u003ca style\\u003d\\\"color: black\\\" href\\u003d\\\"https://codeforces.com/contest/888\\\"\\u003eEducational Codeforces Round 32\\u003c/a\\u003e\"],\"Kattis-wordclouds\":[\"Word Clouds Revisited\",224,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/2015%20ICPC%20Mid-Central%20Regional\\\"\\u003e2015 ICPC Mid-Central Regional\\u003c/a\\u003e\"],\"AtCoder-abc222_e\":[\"Red and Blue Tree\",1085,\"\\u003ca class\\u003d\\\"contest-title\\\" href\\u003d\\\"https://atcoder.jp/contests/abc222\\\"\\u003eExawizards Programming Contest 2021(AtCoder Beginner Contest 222)\\u003c/a\\u003e\"],\"Kattis-george\":[\"George\",462,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Croatian%20Open%20Competition%20in%20Informatics%202007/2008%2C%20contest%20%236\\\"\\u003eCroatian Open Competition in Informatics 2007/2008, contest #6\\u003c/a\\u003e\"],\"Kattis-equivalences\":[\"Proving Equivalences\",798,\"\\u003ca href\\u003d\\\"https://open.kattis.com/problem-sources/Northwestern%20Europe%20Contest%20%28NWERC%29%202008\\\"\\u003eNorthwestern Europe Contest (NWERC) 2008\\u003c/a\\u003e\"]}","joined":false,"groups":{}},"managingGroups":{},"author":"sudo_bee","updateTime":1682954046000,"title":"Practice For CF-R1500 participants","dislikeCnt":0,"content":"# TopicWise Problems\n#### Binary Search\n[problem:USACO-858]\n[problem:USACO-594]\n[problem:USACO-419]\n[problem:USACO-597] Important\n[problem:USACO-991]\n[problem:CSES-1085]\n[problem:CSES-2422]\n[problem:CodeForces-1117C]\n[problem:CodeForces-1670D]\n[problem:CodeForces-1610C]\n[problem:CodeForces-702C]\n[problem:CodeForces-1520F1]\n[problem:CodeForces-782B]\n[problem:CodeForces-702C]\n[problem:CodeForces-1223C]\n[problem:CodeForces-1260D]\n[problem:CodeForces-609D]\n[problem:CodeForces-803D]\n[problem:CodeForces-847E]\n[problem:AtCoder-abc203_d]\n[problem:CodeForces-818F]\n[problem:CodeForces-1486D]\n\n#### Prefix Sums\n[problem:CSES-1662]\n[problem:USACO-715]\n[problem:USACO-104]\n[problem:CodeForces-1398C]\n[problem:AtCoder-abc125_c]\n[problem:AtCoder-abc125_c]\n[problem:AtCoder-abc254_c]\n[problem:AtCoder-abc275_d]\n[problem:AtCoder-abc216_d]\n[problem:AtCoder-abc236_d]\n[problem:AtCoder-arc145_a]\n[problem:AtCoder-abc248_e]\n[problem:AtCoder-abc227_e]\n\n#### 2p\n[problem:USACO-643]\n[problem:USACO-918]\n[problem:USACO-738]\n[problem:CodeForces-701C]\n[problem:CodeForces-616D]\n[problem:CSES-2428]\n[problem:CodeForces-1073D]\n[problem:AtCoder-abc130_d]\n\n#### Number Theory\n[problem:CodeForces-1514C]\n[problem:CodeForces-1542C]\n[problem:CodeForces-1061C]\n[problem:CodeForces-1777C]\n[problem:CodeForces-894B]\n[problem:CodeForces-117B]\n[problem:CodeForces-359C]\n[problem:CodeForces-1794D]\n[problem:CodeForces-1248C]\n\n---------------------\nPrimes\n[problem:Kattis-reseto]\n[problem:Kattis-primesieve]\n[problem:Kattis-pascal]\n[problem:Kattis-primalrepresentation]\n[problem:Kattis-primereduction]\n[problem:Kattis-almostperfect]\n[problem:Kattis-divisors]\n[problem:Kattis-relatives]\n[problem:Kattis-listgame]\n[problem:Kattis-data]\n[problem:Kattis-farey]\n[problem:Kattis-nonprimefactors]\n[problem:Kattis-prsteni]\n\n---------------------\nFactoriazation and Factorials\n[problem:Kattis-tutorial]\n[problem:Kattis-inversefactorial]\n[problem:Kattis-loworderzeros]\n[problem:Kattis-namethatpermutation]\n[problem:Kattis-iks]\n[problem:Kattis-fundamentalneighbors]\n[problem:Kattis-consecutivesums]\n[problem:Kattis-parket]\n[problem:Kattis-perfectpowers]\n[problem:Kattis-olderbrother]\n[problem:Kattis-meowfactor]\n[problem:Kattis-magical3]\n[problem:Kattis-cocoacoalition]\n[problem:Kattis-thinkingofanumber]\n\n---------------------\nModular\n[problem:CodeForces-495B]\n[problem:Kattis-anothercandies]\n[problem:Kattis-ones]\n[problem:Kattis-threedigits]\n[problem:Kattis-vauvau]\n[problem:CodeForces-300C]\n[problem:CodeForces-1281C]\n[problem:CodeForces-1279D]\n[problem:CodeForces-935D]\n\n#### Combinations\n[problem:CodeForces-1084C]\n[problem:CodeForces-204A]\n[problem:CodeForces-894B]\n[problem:CodeForces-327C]\n[problem:AtCoder-abc057_d]\n[problem:CodeForces-340C]\n[problem:CodeForces-869C]\n[problem:AtCoder-abc154_f]\n[problem:AtCoder-abc171_f]\n[problem:AtCoder-abc156_e]\n[problem:CodeForces-272D]\n[problem:CodeForces-294C]\n[problem:CodeForces-57C]\n[problem:AtCoder-abc205_e]\n[problem:CSES-1079]\n[problem:CSES-1715]\n[problem:CSES-1716]\n[problem:CodeForces-888D]\n[problem:CodeForces-1462E2]\n[problem:USACO-1085] Also Checkout Bubble Cup V8 H Bots - DMOJ\n[problem:USACO-862]\n[problem:CodeForces-1606E]\n[problem:USACO-1018]\n[problem:CodeForces-1666F] \n[problem:AtCoder-abc131_c] Also Candles Counting - Hackerrank\n[problem:AtCoder-abc172_e]\n[problem:AtCoder-abc152_f]\n[problem:CodeChef-SEATRSF]\n[problem:Kattis-fiat]\n[problem:Kattis-incognito]\n[problem:Kattis-kitchencombinatorics]\n\n\n___________________________________\n##### Counting +/\u003d Dynamic Programming\n*Not hard*\n[problem:CodeForces-414B]\n[problem:CodeForces-166E]\n[problem:CodeForces-1081C]\n[problem:CodeForces-1105C]\n[problem:CodeForces-431C]\n[problem:AtCoder-abc104_d]\n[problem:AtCoder-abc122_d]\n[problem:CodeForces-474D]\n[problem:CodeForces-118D]\n[problem:CodeForces-577B]\n[problem:CodeForces-245H]\n[problem:CodeForces-9D]\n[problem:CodeForces-149D]\n[problem:CodeForces-296B]\n[problem:CodeForces-507D]\n\n____________________________________ \nStriving Mastery? \nTry these!\n\n[problem:UVA-11806]\n[problem:CodeForces-439E]\n[problem:CodeForces-839D]\n[problem:CodeForces-449D]\n[problem:UVA-10755]\n[problem:UVA-10325]\n[problem:CodeForces-547C]\n[problem:CodeForces-451E]\n[problem:UVA-10334]\n[problem:UVA-10007]\n[problem:CodeForces-1342E]\n[problem:UVA-11310]\n[problem:UVA-10312]\n\n___________________________\n\n\n\n\n#### DFS/BFS\n###### Easy problems will be rare\nAttempt !tough problems later as they will be a waste of time.\n\n[problem:AtCoder-abc197_f] !tough\n[problem:CodeForces-29D]\n[problem:AtCoder-abc209_e] !tough\n[problem:CodeForces-34D]\n[problem:CodeForces-22C]\n[problem:CodeForces-9E]\n[problem:CodeForces-14D]\n[problem:CodeForces-1205B]\n[problem:AtCoder-abc184_e]\n[problem:CodeForces-909E]\n[problem:CodeForces-1012B]\n[problem:CodeForces-990D]\n[problem:AtCoder-abc132_e]\n[problem:CodeForces-500B]\n[problem:CodeForces-616C]\n[problem:CodeForces-877D] !tough\n[problem:CodeForces-741C] !impossible\n[problem:CodeForces-543B] !hard\n[problem:CodeForces-467D] !tough\n[problem:CodeForces-31D] !hard\n[problem:CodeForces-689B]\n[problem:AtCoder-abc131_f] !tough\n[problem:CodeForces-510C]\n[problem:CodeForces-1244D]\n[problem:CodeForces-598D]\n[problem:CodeForces-825E] !tough\n[problem:AtCoder-abc148_f]\n[problem:CodeForces-27D] !tough (Try and then read : 2SAT)\n[problem:CodeForces-29E] !tough\n\nNote:\nStudy Functional Graphs from usaco.guide\n\n#### Advanced DFS (DFS Lowlink) (all Tough) [min R2100]\n2-SAT\n[problem:CodeForces-468B]\n[problem:CodeForces-27D]\n[problem:CodeForces-1715D]\n[problem:CodeForces-1239D]\n\nBiconnectivity\n[problem:UVA-796]\n[problem:UVA-315]\n[problem:UVA-610]\n[problem:CodeForces-732F]\n[problem:CodeForces-160D]\n\nSCC\n[problem:UVA-11504]\n[problem:UVA-247]\n[problem:UVA-11838]\n[problem:CodeForces-22E]\n[problem:Kattis-cantinaofbabel]\n[problem:Kattis-equivalences]\n[problem:Kattis-dominos] (same as UVA11504, Starter Problem)\n[problem:Kattis-test2]\n[problem:Kattis-loopycabdrivers]\n\n#### More Graph Traversal \nAD-HOC, Closer to a real contest problem\n[problem:Kattis-faultyrobot]\n[problem:Kattis-promotions]\n[problem:Kattis-succession]\n[problem:Kattis-ads]\n[problem:Kattis-brickwall]\n[problem:Kattis-hogwarts2]\n[problem:Kattis-jetpack]\n[problem:Kattis-kingofthewaves]\n[problem:Kattis-silueta]\n\n#### Spanning Trees and variants\n[problem:UVA-11631]\n[problem:CodeForces-17B]\n[problem:CodeForces-1081D]\n[problem:CodeForces-1513D]\n[problem:Kattis-islandhopping]\n[problem:Kattis-cats]\n[problem:Kattis-lostmap]\n[problem:Kattis-drivingrange]\n[problem:Kattis-freckles]\n[problem:Kattis-communicationssatellite]\n[problem:Kattis-jurassicjigsaw]\n[problem:Kattis-svemir]\n[problem:Kattis-arcticnetwork]\n[problem:Kattis-naturereserve]\n[problem:Kattis-muddyhike]\n[problem:Kattis-inventing]\n[problem:Kattis-landline]\n[problem:Kattis-redbluetree]\n[problem:Kattis-spider]\n[problem:Kattis-treehouses]\n\n#### Shortest Paths\nCan you model the graph?\n[problem:UVA-11367]\n\nShortest Path (SSSP, APSP MIXED)\n[problem:Kattis-blockcrusher] !hard\n[problem:Kattis-spiral]\n[problem:CodeForces-721C]\n[problem:Kattis-invasion] !hard\n[problem:CodeForces-793D]\n[problem:Kattis-mallmania]\n[problem:Kattis-texassummers]\n[problem:CodeForces-449B]\n[problem:AtCoder-abc188_e]\n[problem:Kattis-lost]\n[problem:CodeForces-916C]\n[problem:Kattis-grid]\n[problem:Kattis-flowerytrails]\n[problem:AtCoder-abc170_f]\n[problem:Kattis-crosscountry]\n[problem:CodeForces-30C]\n[problem:Kattis-firestation] !hard\n[problem:Kattis-shortestpath3]\n[problem:Kattis-fire2]\n[problem:Kattis-oceancurrents]\n[problem:Kattis-xyzzy]\n[problem:Kattis-elevatortrouble]\n[problem:Kattis-dungeon] !hard\n[problem:CodeForces-1204C]\n[problem:CodeForces-25C]\n[problem:Kattis-horror]\n[problem:Kattis-george]\n[problem:Kattis-subway2]\n[problem:Kattis-emptyingbaltic] !hard\n[problem:Kattis-shortestpath2]\n[problem:Kattis-passingsecrets] !hard\n[problem:Kattis-buttonbashing]\n[problem:AtCoder-abc061_d]\n[problem:Kattis-fulltank] !hard\n[problem:Kattis-zoning] !hard\n[problem:Kattis-tide] !hard\n[problem:Kattis-hauntedgraveyard]\n\n!tough\n[problem:CodeForces-1340C]\n[problem:CodeForces-346D]\n[problem:CodeForces-241E]\n\nDO PRACTICE MORE PROBLEMS FROM CP4\n\n#### Trees and Tours\nTo be empty until filled :) \n\n#### DP\nSection A: Well Known Variants\n[problem:AtCoder-abc129_c]\n[problem:AtCoder-abc153_e]\n[problem:AtCoder-abc178_d]\n[problem:UVA-10918]\n[problem:Kattis-trainsorting]\n[problem:Kattis-nesteddolls]\n[problem:AtCoder-abc204_d]\n[problem:Kattis-alphabet]\n[problem:Kattis-studentsko]\n[problem:AtCoder-abc185_e]\n[problem:Kattis-orders]\n[problem:AtCoder-abc175_e]\n[problem:Kattis-presidentialelections]\n[problem:Kattis-muzicari]\n[problem:Kattis-ninepacks]\n[problem:Kattis-exactchange2]\n[problem:AtCoder-abc159_f]\n[problem:Kattis-canonical]\n[problem:Kattis-bagoftiles]\n[problem:CodeForces-2B]\n[problem:CodeForces-429B]\n[problem:CodeForces-332B]\n[problem:AtCoder-abc169_f]\n[problem:CodeForces-269B]\n[problem:CodeForces-566F]\n[problem:CodeForces-33C]\n[problem:CodeForces-75D]\n\n______________________\nSection A0.1: Not really needed (DP 1400) {20}\n[problem:CodeForces-414B]\n[problem:CodeForces-289B]\n[problem:CodeForces-185A]\n[problem:CodeForces-602B]\n[problem:CodeForces-548B]\n[problem:CodeForces-534B]\n[problem:CodeForces-987C]\n[problem:CodeForces-940B]\n[problem:CodeForces-1084C]\n[problem:CodeForces-1108D]\n[problem:CodeForces-1245C]\n[problem:CodeForces-1350B]\n[problem:CodeForces-1380C]\n[problem:CodeForces-1391C]\n[problem:CodeForces-1516B]\n[problem:CodeForces-1538F]\n[problem:CodeForces-1535C]\n[problem:CodeForces-1644C]\n[problem:CodeForces-1697C]\n[problem:CodeForces-1673C]\n\nSection A0.2: Not really needed (DP 1500) {20}\n[problem:CodeForces-1513C]\n[problem:CodeForces-1461C]\n[problem:CodeForces-1307C]\n[problem:CodeForces-1789C]\n[problem:CodeForces-1418C]\n[problem:CodeForces-1476C]\n[problem:CodeForces-855B]\n[problem:CodeForces-1536C]\n[problem:CodeForces-1455D]\n[problem:CodeForces-1373D]\n[problem:CodeForces-295A]\n[problem:CodeForces-1689C]\n[problem:CodeForces-166E]\n[problem:CodeForces-1767D]\n[problem:CodeForces-873B]\n[problem:CodeForces-1272D]\n[problem:CodeForces-1632C]\n[problem:CodeForces-1313C1]\n[problem:CodeForces-991D]\n[problem:CodeForces-545C]\n\n\nSection A0.3: Not really needed (DP 1600) {30}\n\n[problem:CodeForces-19B]\n[problem:CodeForces-191A]\n[problem:CodeForces-474D]\n[problem:CodeForces-660C]\n[problem:CodeForces-676C]\n[problem:CodeForces-706C]\n[problem:CodeForces-761C]\n[problem:CodeForces-812B]\n[problem:CodeForces-814C]\n[problem:CodeForces-817C]\n[problem:CodeForces-835C]\n[problem:CodeForces-868C]\n[problem:CodeForces-888D]\n[problem:CodeForces-1031B]\n[problem:CodeForces-1056D]\n[problem:CodeForces-1109A]\n[problem:CodeForces-1151B]\n[problem:CodeForces-1238C]\n[problem:CodeForces-1278C]\n[problem:CodeForces-1282B2]\n[problem:CodeForces-1288C]\n[problem:CodeForces-1295C]\n[problem:CodeForces-1553D]\n[problem:CodeForces-1528A]\n[problem:CodeForces-1516C]\n[problem:CodeForces-1796C]\n[problem:CodeForces-1714D]\n[problem:CodeForces-1677A]\n[problem:CodeForces-1633D]\n[problem:CodeForces-1625C]\n[problem:CodeForces-1741E]\n\n_______________________\nSection B: TSP\n[problem:Kattis-bustour]\n[problem:Kattis-beepers]\n[problem:Kattis-errands]\n[problem:Kattis-cycleseasy]\n\n**Section A2: Simple DP - Easy to Hard IMPORTANT SECTION**\nSome may be DP problems All may be DP problems but that is not a given. :)\n(CF) R1600-R2100 as you progress down\n[problem:AtCoder-abc261_e]\n[problem:AtCoder-abc183_e]\n[problem:AtCoder-abc270_d]\n[problem:AtCoder-abc201_d]\n[problem:AtCoder-abc197_e]\n[problem:AtCoder-abc232_e]\n[problem:AtCoder-agc033_b]\n[problem:AtCoder-abc222_e]\n[problem:AtCoder-abc210_d]\n[problem:AtCoder-abc087_b]\n[problem:AtCoder-abc146_f]\n[problem:AtCoder-abc175_e]\n[problem:AtCoder-abc155_e]\n[problem:AtCoder-arc060_a]\n[problem:AtCoder-agc047_a]\n[problem:AtCoder-abc113_d]\n[problem:AtCoder-abc054_d]\n[problem:AtCoder-abc118_d]\n[problem:AtCoder-abc057_d]\n[problem:AtCoder-abc247_f]\n[problem:AtCoder-abc147_e]\n[problem:AtCoder-abc231_e]\n[problem:AtCoder-abc162_f]\n\n\nSection C: DP Non Classical\n[problem:Kattis-nikola]\n[problem:Kattis-spiderman]\n[problem:Kattis-ticketpricing]\n[problem:Kattis-weightofwords]\n[problem:Kattis-wordclouds]\n[problem:Kattis-keyboardconcert]\n[problem:CodeForces-706C]\n[problem:CodeForces-855B]\n[problem:CodeForces-402D]\n[problem:CodeForces-467C]\n[problem:CodeForces-5C]\n[problem:CodeForces-607B]\n[problem:CodeForces-225C]\n[problem:CodeForces-711C]\n[problem:CodeForces-814C]\n[problem:CodeForces-82D]\n[problem:UVA-11026]\n[problem:UVA-11407]\n[problem:UVA-11450]\n[problem:UVA-11703]\n[problem:UVA-12654]\n[problem:UVA-12951]\n[problem:CodeForces-1673C]\n[problem:CodeForces-1303D]\n[problem:CodeForces-1517D]\n[problem:CodeForces-1359D]!hard\n\n--------------------------\nhard-er\n[problem:Kattis-kutevi]\n[problem:Kattis-tight]\n[problem:Kattis-walrusweights]\n[problem:Kattis-debugging]\n[problem:Kattis-drivinglanes]\n[problem:Kattis-watersheds]\n[problem:UVA-12324]\n[problem:UVA-12862]\n[problem:UVA-12955]\n[problem:UVA-11908]\n[problem:UVA-11514]\n[problem:UVA-11485]\n\n---------------\nAdvanced DP coming later\nDP Subsets\nDP Broken Profile\nDigit DP\nTree DP\nDP optimizations\n\n#### Segment Trees / Fenwick Trees \n\nPractice medium/easy/hard problems on lightoj\n\n------------------\n[problem:AtCoder-abc223_f]\n[problem:CodeForces-339D]\n[problem:CodeForces-459D]\n[problem:CodeForces-61E]\n[problem:CodeForces-52C]\n\n---------------\nHard-er\n[problem:CodeForces-474E]\n[problem:CodeForces-597C]\n[problem:CodeForces-56E]\n[problem:CodeForces-343D]\n[problem:CodeForces-383C]\n[problem:CodeForces-380C]\n\n------------------------------------------\nKattis Section\n\n[problem:Kattis-justforsidekicks]\n[problem:Kattis-moviecollection]\n[problem:Kattis-supercomputer]\n[problem:Kattis-turbo]\n[problem:Kattis-worstweather]\n\n----------------------------------------\n\n#### Line Sweep / Sliding Window / SQRT Decomposition\nComing later\nFocus on more important things\n\n\n#### String Hashing\nComing later\nFocus on more important things\n\n","threadId":141203,"likeCnt":1,"createTime":1681081471000,"isWorkbook":true,"viewCnt":871,"openness":2,"fav":false,"id":3565,"trustable":false}