contest.view.begin
:
1589169600000
GCP WFH Weekly Edition #8-1 (CF 1600)
contest.view.end
:
1589806800000
contest.view.elapsed
:
(
contest.frozen
)
contest.view.remaining
:
#
Origin
Title
A
CodeForces 1165E
Two Arrays and Sum of Functions
B
CodeForces 1137B
Camp Schedule
C
CodeForces 993A
Two Squares
D
CodeForces 925A
Stairs and Elevators
E
CodeForces 830B
Cards Sorting
F
CodeForces 930B
Game with String
G
CodeForces 68B
Energy exchange
H
CodeForces 730G
Car Repair Shop
I
CodeForces 156B
Suspects
J
CodeForces 637D
Running with Obstacles
K
CodeForces 523D
Statistics of Recompressing Videos
L
CodeForces 1121C
System Testing
M
CodeForces 291D
Parallel Programming
N
CodeForces 234D
Cinema
O
CodeForces 411B
Multi-core Processor
P
CodeForces 234G
Practice
Q
CodeForces 958E1
Guard Duty (easy)
R
CodeForces 209A
Multicolored Marbles
S
CodeForces 32D
Constellation
T
CodeForces 926D
Choose Place
U
CodeForces 28A
Bender Problem
V
CodeForces 178B2
Greedy Merchants
W
CodeForces 207B1
Military Trainings
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
Status
My Status
PDF
contest.view.statement_selection_label
:
ID
status.list.username
status.list.prob
status.list.result
status.list.time
(ms)
status.list.mem
(MB)
status.list.length
status.list.lang
C
C++
C#
D
Go
Haskell
Java
JavaScript
Kotlin
Lua
Objective-C
Pascal
Perl
PHP
Python
Ruby
Rust
Scala
Swift
Other
status.list.submit_time
{"id":373348,"title":"GCP WFH Weekly Edition #8-1 (CF 1600)","type":0,"openness":0,"authStatus":1,"begin":1589169600000,"end":1589806800000,"freezeTime":1589806800000,"unfreezeTime":1589806800000,"enableFreeze":false,"createTime":1589166424000,"version":"4fa","started":true,"ended":true,"managerId":58831,"managerName":"yongwhan","fav":false,"description":{"format":"MD","content":""},"announcement":"","problems":[{"pid":2439089,"title":"Two Arrays and Sum of Functions","oj":"CodeForces","probNum":"1165E","num":"A","enabledDescKeys":[2937545049557573],"descBriefs":[{"key":2937545049557573,"updateDate":"2025-10-11","version":1760138448000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/1165\"\u003eCodeforces Round 560 (Div. 3)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n greedy\n\n\n math\n\n\n sortings\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/67003\" title\u003d\"Codeforces Round #560 (Div. 3)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/67041\" title\u003d\"Codeforces Round #560 (Div. 3) Editorial\" target\u003d\"_blank\"\u003eTutorial\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":2266540,"title":"Camp Schedule","oj":"CodeForces","probNum":"1137B","num":"B","enabledDescKeys":[2839982910432279],"descBriefs":[{"key":2839982910432279,"updateDate":"2025-10-10","version":1760111968000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"524288 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/1137\"\u003eCodeforces Round 545 (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n greedy\n\n\n hashing\n\n\n strings\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/65768\" title\u003d\"Codeforces Round #545 (Div.1, Div.2, по Открытой олимпиаде школьников по информатике)\" target\u003d\"_blank\"\u003eAnnouncement #1 \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/65768\" title\u003d\"65768\" target\u003d\"_blank\"\u003eAnnouncement #2 \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/65825\" title\u003d\"Tutorial\" target\u003d\"_blank\"\u003eTutorial \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/65825\" title\u003d\"Codeforces Round #545 – Editorial\" target\u003d\"_blank\"\u003eTutorial #2 \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":1632878,"title":"Two Squares","oj":"CodeForces","probNum":"993A","num":"C","enabledDescKeys":[2874345888182201],"descBriefs":[{"key":2874345888182201,"updateDate":"2025-10-11","version":1760136005000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/993\"\u003eCodeforces Round 488 by NEAR (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n geometry\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/59992\" title\u003d\"Codeforces Round #488 by NEAR\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/60047\" title\u003d\"Codeforces Round #488 editorial\" target\u003d\"_blank\"\u003eTutorial \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":1539858,"title":"Stairs and Elevators","oj":"CodeForces","probNum":"925A","num":"D","enabledDescKeys":[2871753323294861],"descBriefs":[{"key":2871753323294861,"updateDate":"2025-10-12","version":1760206753000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/925\"\u003eVK Cup 2018 - Round 3\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n binary search\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/59151\" title\u003d\"VK Cup 2018 — Round 3 and Codeforces Round #477\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/59173\" title\u003d\"Разбор VK 2018 Round 3 + Codeforces Round #477\" target\u003d\"_blank\"\u003eTutorial\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":899627,"title":"Cards Sorting","oj":"CodeForces","probNum":"830B","num":"E","enabledDescKeys":[3313380791424721],"descBriefs":[{"key":3313380791424721,"updateDate":"2025-10-14","version":1760391071000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/830\"\u003eCodeforces Round 424 (Div. 1, rated, based on VK Cup Finals)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n data structures\n\n\n implementation\n\n\n sortings\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/53267\" title\u003d\"Codeforces Round #424: rated, based on VK Cup 2017 Finals\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/53302\" title\u003d\"Codeforces Round #424 Editorial\" target\u003d\"_blank\"\u003eTutorial\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":1403100,"title":"Game with String","oj":"CodeForces","probNum":"930B","num":"F","enabledDescKeys":[2879706853352610],"descBriefs":[{"key":2879706853352610,"updateDate":"2025-10-10","version":1760087131000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/930\"\u003eCodeforces Round 468 (Div. 1, based on Technocup 2018 Final Round)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n probabilities\n\n\n strings\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/58153\" title\u003d\"Codeforces Round #468 and Technocup 2018 Final Round\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/58177\" title\u003d\"Codeforces Round #468 and Technocup 2018 Final Round Analysis\" target\u003d\"_blank\"\u003eTutorial\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":21342,"title":"Energy exchange","oj":"CodeForces","probNum":"68B","num":"G","enabledDescKeys":[3110438694648725],"descBriefs":[{"key":3110438694648725,"updateDate":"2025-10-10","version":1760093430000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/68\"\u003eCodeforces Beta Round 62\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n binary search\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/1539\" title\u003d\"Codeforces Beta Round #62\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":534600,"title":"Car Repair Shop","oj":"CodeForces","probNum":"730G","num":"H","enabledDescKeys":[3359898445563868],"descBriefs":[{"key":3359898445563868,"updateDate":"2025-10-20","version":1760952104000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"524288 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/730\"\u003e2016-2017 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/47842\" title\u003d\"2016-2017 ACM-ICPC, NEERC, Southern Subregional Contest (Online Mirror, ACM-ICPC Rules, Teams Preferred)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"CDN_BASE_URL/d746d5e4783ad32e4f7d8ff55fad648f\" title\u003d\"Statements in PDF\" target\u003d\"_blank\"\u003eStatements in PDF \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://www.youtube.com/watch?v\u003dF_3oo0d-PhY\u0026amp;list\u003dPLYOhi118RAVDSxLf3J9oMIuurR49nQsjW\" title\u003d\"Разбор задач (видео, по-русски)\" target\u003d\"_blank\"\u003eTutorial \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":26617,"title":"Suspects","oj":"CodeForces","probNum":"156B","num":"I","enabledDescKeys":[3125065405827009],"descBriefs":[{"key":3125065405827009,"updateDate":"2025-10-12","version":1760250656000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/156\"\u003eCodeforces Round 110 (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n data structures\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/3994\" title\u003d\"\" target\u003d\"_blank\"\u003eAnnouncement \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/4005\" title\u003d\"Codeforces Round 110 — Разбор задач\" target\u003d\"_blank\"\u003eTutorial \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":344214,"title":"Running with Obstacles","oj":"CodeForces","probNum":"637D","num":"J","enabledDescKeys":[3264689423265912],"descBriefs":[{"key":3264689423265912,"updateDate":"2025-10-11","version":1760141224000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/637\"\u003eVK Cup 2016 - Qualification Round 1\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n *special problem\n\n\n data structures\n\n\n dp\n\n\n greedy\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":136144,"title":"Statistics of Recompressing Videos","oj":"CodeForces","probNum":"523D","num":"K","enabledDescKeys":[3277087721965849],"descBriefs":[{"key":3277087721965849,"updateDate":"2025-10-10","version":1760100703000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"3000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/523\"\u003eVK Cup 2015 - Qualification Round 2\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n *special problem\n\n\n data structures\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/16938\" title\u003d\"VK Cup 2016 — Квалификация 2\" target\u003d\"_blank\"\u003eAnnouncement \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/16968\" title\u003d\"Разбор задач VK Cup 2015 — Квалификация 2\" target\u003d\"_blank\"\u003eTutorial \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":2253272,"title":"System Testing","oj":"CodeForces","probNum":"1121C","num":"L","enabledDescKeys":[2840822553628578],"descBriefs":[{"key":2840822553628578,"updateDate":"2025-10-18","version":1760759540000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/1121\"\u003eCodeforces Round 543 (Div. 2, based on Technocup 2019 Final Round)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/65664\" title\u003d\"Technocup 2019: Final Round and Codeforces Round #543\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/65679\" title\u003d\"Codeforces Round #543 and Technocup 2019 Final Round Editorial\" target\u003d\"_blank\"\u003eTutorial\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":46152,"title":"Parallel Programming","oj":"CodeForces","probNum":"291D","num":"M","enabledDescKeys":[3171475392242862],"descBriefs":[{"key":3171475392242862,"updateDate":"2025-10-11","version":1760140835000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/291\"\u003eCroc Champ 2013 - Qualification Round\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n *special problem\n\n\n greedy\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/7336\" title\u003d\"Croc Champ 2013 — Qualification Round\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":33124,"title":"Cinema","oj":"CodeForces","probNum":"234D","num":"N","enabledDescKeys":[3219278720220606],"descBriefs":[{"key":3219278720220606,"updateDate":"2025-10-10","version":1760084310000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e input.txt\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e output.txt\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/234\"\u003eCodeforces Round 145 (Div. 2, ACM-ICPC Rules)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/5531\" title\u003d\"Codeforces Round #145 (ACM-ICPC Rules)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":50063,"title":"Multi-core Processor","oj":"CodeForces","probNum":"411B","num":"O","enabledDescKeys":[3184236996580017],"descBriefs":[{"key":3184236996580017,"updateDate":"2025-10-19","version":1760845960000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/411\"\u003eCoder-Strike 2014 - Qualification Round\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/11646\" title\u003d\"Coder-Strike 2014: Qualification Round\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/11673\" title\u003d\"Coder-Strike 2014: Qualification Round (Tutorial)\" target\u003d\"_blank\"\u003eTutorial\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":33127,"title":"Practice","oj":"CodeForces","probNum":"234G","num":"P","enabledDescKeys":[3219270763703975],"descBriefs":[{"key":3219270763703975,"updateDate":"2025-10-13","version":1760331515000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e input.txt\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e output.txt\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/234\"\u003eCodeforces Round 145 (Div. 2, ACM-ICPC Rules)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n divide and conquer\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/5531\" title\u003d\"Codeforces Round #145 (ACM-ICPC Rules)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":1497702,"title":"Guard Duty (easy)","oj":"CodeForces","probNum":"958E1","num":"Q","enabledDescKeys":[2869495989462729],"descBriefs":[{"key":2869495989462729,"updateDate":"2025-10-11","version":1760129092000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/958\"\u003eHelvetic Coding Contest 2018 online mirror (teams allowed, unrated)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n brute force\n\n\n geometry\n\n\n greedy\n\n\n math\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"CDN_BASE_URL/61561cf61e59bb20b292618a5823188b\" title\u003d\"helvetic-coding-contest-2018-editorial.pdf\" target\u003d\"_blank\"\u003eTutorial \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":31184,"title":"Multicolored Marbles","oj":"CodeForces","probNum":"209A","num":"R","enabledDescKeys":[3212399560828498],"descBriefs":[{"key":3212399560828498,"updateDate":"2025-10-10","version":1760081529000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/209\"\u003eVK Cup 2012 Finals, Practice Session\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n dp\n\n\n math\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":51707,"title":"Constellation","oj":"CodeForces","probNum":"32D","num":"S","enabledDescKeys":[3192345533878675],"descBriefs":[{"key":3192345533878675,"updateDate":"2025-10-11","version":1760139619000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/32\"\u003eCodeforces Beta Round 32 (Div. 2, Codeforces format)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/714\" title\u003d\"Codeforces Beta Round #32 (Div. 2, Codeforces format)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":1429299,"title":"Choose Place","oj":"CodeForces","probNum":"926D","num":"T","enabledDescKeys":[2882357834678516],"descBriefs":[{"key":2882357834678516,"updateDate":"2025-10-13","version":1760329473000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/926\"\u003eVK Cup 2018 - Wild-card Round 1\u003c/a\u003e","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/58394\" title\u003d\"VK Cup 2018 — Wild-card Round 1\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/58424\" title\u003d\"Разбор VK Cup 2018 — Уайлд-кард Раунд 1\" target\u003d\"_blank\"\u003eTutorial \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":24443,"title":"Bender Problem","oj":"CodeForces","probNum":"28A","num":"U","enabledDescKeys":[3100702815137168],"descBriefs":[{"key":3100702815137168,"updateDate":"2025-10-15","version":1760525487000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/28\"\u003eCodeforces Beta Round 28 (Codeforces format)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/674\" title\u003d\"Codeforces Beta Round #28 (Codeforces format)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/685\" title\u003d\"Codeforces Round 28 - tutorial\" target\u003d\"_blank\"\u003eTutorial #1 \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/676\" title\u003d\"Codeforces Beta Round #28 - problem C tutorial\" target\u003d\"_blank\"\u003eTutorial #2\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/677\" title\u003d\"Codeforces Beta Round #28 (Разбор задачи E)\" target\u003d\"_blank\"\u003eTutorial #3 \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/678\" title\u003d\"Codeforces Beta Round #28 (Problem D Tutorial)\" target\u003d\"_blank\"\u003eTutorial #4\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/679\" title\u003d\"Codeforces Beta Round #28 (Разбор задач A и B)\" target\u003d\"_blank\"\u003eTutorial #5\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":48942,"title":"Greedy Merchants","oj":"CodeForces","probNum":"178B2","num":"V","enabledDescKeys":[3197977862520815],"descBriefs":[{"key":3197977862520815,"updateDate":"2025-10-11","version":1760155291000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"2000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/178\"\u003eABBYY Cup 2.0 - Hard\u003c/a\u003e","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/4440\" title\u003d\"ABBYY Cup 2.0 is completed!\" target\u003d\"_blank\"\u003eAnnouncement #1\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/4435\" title\u003d\"ABBYY Cup 2.0 — Hard: solutions\" target\u003d\"_blank\"\u003eTutorial\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]},{"pid":30029,"title":"Military Trainings","oj":"CodeForces","probNum":"207B1","num":"W","enabledDescKeys":[3118444227788090],"descBriefs":[{"key":3118444227788090,"updateDate":"2025-10-22","version":1761120109000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"3000 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"input_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdin\u003c/span\u003e","spoiler":false},{"title":"output_file","content":"\u003cspan style\u003d\u0027color:var(--color-danger)\u0027\u003e stdout\u003c/span\u003e","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/207\"\u003eAbbyy Cup 2.0 - Final (unofficial)\u003c/a\u003e","spoiler":true},{"title":"difficulty","content":"1600","spoiler":true}],"weight":1,"submitTips":"contest.view.problem_submit_tip.out_of_contest_ancient","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","91":"GNU G++23 14.2 (64 bit, msys2)","70":"PyPy 3.10 (7.3.15, 64bit)","51":"PascalABC.NET 3.8.3","96":"C# 13, .NET SDK 9","97":"F# 9, .NET SDK 9","31":"Python 3.13.2","75":"Rust 1.89.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","98":"Rust 1.89.0 (2024)","99":"Kotlin 2.2.0","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[false,true,true]}],"problemsHash":"4fa5e1bb34b94390867741486928df72","privatePeerContestIds":[],"enableTimeMachine":true,"sumTime":true,"penalty":1200,"partialScore":false,"oneShot":false,"customizedWeight":false,"showPeers":true,"excludedFromRank":false,"clonedFromId":0}
