contest.view.begin
:
1589169600000
GCP WFH Weekly Edition #8-2 (CF 1700)
contest.view.end
:
1589806800000
contest.view.elapsed
:
(
contest.frozen
)
contest.view.remaining
:
#
Origin
Title
A
CodeForces 1027D
Mouse Hunt
B
CodeForces 1313B
Different Rules
C
CodeForces 1041D
Glider
D
CodeForces 1292B
Aroma's Search
E
CodeForces 1215D
Ticket Game
F
CodeForces 1131F
Asya And Kittens
G
CodeForces 1320B
Navigation System
H
CodeForces 1132C
Painting the Fence
I
CodeForces 1148C
Crazy Diamond
J
CodeForces 1019A
Elections
K
CodeForces 1182C
Beautiful Lyrics
L
CodeForces 1254A
Feeding Chicken
M
CodeForces 1202B
You Are Given a Decimal String...
N
CodeForces 813C
The Tag Game
O
CodeForces 1310A
Recommendations
P
CodeForces 980C
Posterized
Q
CodeForces 1023D
Array Restoration
R
CodeForces 1129A1
Toy Train (Simplified)
S
CodeForces 949B
A Leapfrog in the Array
T
CodeForces 1015E1
Stars Drawing (Easy Edition)
U
CodeForces 960C
Subsequence Counting
V
CodeForces 924C
Riverside Curio
W
CodeForces 990D
Graph And Its Complement
X
CodeForces 931C
Laboratory Work
Y
CodeForces 954C
Matrix Walk
Z
CodeForces 229B
Planets
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
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":373351,"title":"GCP WFH Weekly Edition #8-2 (CF 1700)","type":0,"openness":0,"authStatus":1,"begin":1589169600000,"end":1589806800000,"freezeTime":1589806800000,"unfreezeTime":1589806800000,"enableFreeze":false,"createTime":1589166753000,"version":"0f9","started":true,"ended":true,"managerId":58831,"managerName":"yongwhan","fav":false,"description":{"format":"MD","content":""},"announcement":"","problems":[{"pid":1806919,"title":"Mouse Hunt","oj":"CodeForces","probNum":"1027D","num":"A","enabledDescKeys":[2818794535923063],"descBriefs":[{"key":2818794535923063,"updateDate":"2025-10-11","version":1760169698000,"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/1027\"\u003eEducational Codeforces Round 49 (Rated for Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n dfs and similar\n\n\n graphs\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/61270\" title\u003d\"Educational Codeforces Round 49 [Rated for Div. 2]\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/61311\" title\u003d\"Educational Codeforces Round 49 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":3159612,"title":"Different Rules","oj":"CodeForces","probNum":"1313B","num":"B","enabledDescKeys":[2888636490540193],"descBriefs":[{"key":2888636490540193,"updateDate":"2025-10-11","version":1760186591000,"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/1313\"\u003eCodeforces Round 622 (Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n greedy\n\n\n implementation\n\n\n math\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/74106\" title\u003d\"Announcement\" target\u003d\"_blank\"\u003eAnnouncement \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":1878189,"title":"Glider","oj":"CodeForces","probNum":"1041D","num":"C","enabledDescKeys":[2819715680579275],"descBriefs":[{"key":2819715680579275,"updateDate":"2025-10-10","version":1760078246000,"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/1041\"\u003eCodeforces Round 509 (Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n binary search\n\n\n data structures\n\n\n two pointers\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/61811\" title\u003d\"Codeforces Round #509 (Div. 2, based on Qualification Stage of Southern Subregion of NEERC)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/61876\" title\u003d\"61876\" 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/61876\" title\u003d\"61876\" target\u003d\"_blank\"\u003eTutorial #2 \u003cspan class\u003d\"resource-locale\"\u003e(ru)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/61876\" title\u003d\"Codeforces Round #509 (Div. 2) Editorial\" target\u003d\"_blank\"\u003eTutorial #3 \u003cspan class\u003d\"resource-locale\"\u003e(en)\u003c/span\u003e\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/61876\" title\u003d\"Codeforces Round #509 (Div. 2) Editorial\" target\u003d\"_blank\"\u003eTutorial #4 \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":3065504,"title":"Aroma\u0027s Search","oj":"CodeForces","probNum":"1292B","num":"D","enabledDescKeys":[2901937505883870],"descBriefs":[{"key":2901937505883870,"updateDate":"2026-05-02","version":1777688756000,"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/1292\"\u003eCodeforces Round 614 (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n brute force\n\n\n constructive algorithms\n\n\n geometry\n\n\n greedy\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/73051\" title\u003d\"Codeforces Round #614 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":2753434,"title":"Ticket Game","oj":"CodeForces","probNum":"1215D","num":"E","enabledDescKeys":[2954776926746027],"descBriefs":[{"key":2954776926746027,"updateDate":"2025-10-12","version":1760274963000,"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/1215\"\u003eCodeforces Round 585 (Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n games\n\n\n greedy\n\n\n math\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/69776\" title\u003d\"Codeforces Round #585 (Div. 2, based on Qualification Stage of Southern and Volga Russia Regional Contest)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/69815\" title\u003d\"Codeforces Round #585 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":2233808,"title":"Asya And Kittens","oj":"CodeForces","probNum":"1131F","num":"F","enabledDescKeys":[2840168833281746],"descBriefs":[{"key":2840168833281746,"updateDate":"2025-10-11","version":1760167475000,"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/1131\"\u003eCodeforces Round 541 (Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n dsu\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/65433\" title\u003d\"Codeforces Round #541 (Div. 2)\" 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/65487\" title\u003d\"Codeforces Round #541 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":3181683,"title":"Navigation System","oj":"CodeForces","probNum":"1320B","num":"G","enabledDescKeys":[2888400235094627],"descBriefs":[{"key":2888400235094627,"updateDate":"2025-10-13","version":1760313600000,"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/1320\"\u003eCodeforces Round 625 (Div. 1, based on Technocup 2020 Final Round)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n dfs and similar\n\n\n graphs\n\n\n shortest paths\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/74381\" title\u003d\"Codeforces Round #625 (Div.1, Div.2) and Technocup 2020 — Finals\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/74431\" title\u003d\"Codeforces Round #625 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":2257669,"title":"Painting the Fence","oj":"CodeForces","probNum":"1132C","num":"H","enabledDescKeys":[2839319128704774],"descBriefs":[{"key":2839319128704774,"updateDate":"2025-10-11","version":1760117982000,"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/1132\"\u003eEducational Codeforces Round 61 (Rated for Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n brute force\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/65695\" title\u003d\"Educational Codeforces Round 61 [Rated for Div. 2]\" 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":2475629,"title":"Crazy Diamond","oj":"CodeForces","probNum":"1148C","num":"I","enabledDescKeys":[2921437365454347],"descBriefs":[{"key":2921437365454347,"updateDate":"2026-05-28","version":1779966823000,"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/1148\"\u003eCodeforces Global Round 3\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n sortings\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/67316\" title\u003d\"Codeforces Global Round 3\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/67366\" title\u003d\"Codeforces Global Round 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":1781544,"title":"Elections","oj":"CodeForces","probNum":"1019A","num":"J","enabledDescKeys":[2816624463264839],"descBriefs":[{"key":2816624463264839,"updateDate":"2025-10-17","version":1760648218000,"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/1019\"\u003eCodeforces Round 503 (by SIS, Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n brute force\n\n\n greedy\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/61087\" title\u003d\"Codeforces Round #503 (based on SIS olympiad)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/61161\" title\u003d\"61161\" 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":2488453,"title":"Beautiful Lyrics","oj":"CodeForces","probNum":"1182C","num":"K","enabledDescKeys":[2922040547150283],"descBriefs":[{"key":2922040547150283,"updateDate":"2025-10-15","version":1760472981000,"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/1182\"\u003eCodeforces Round 566 (Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n data structures\n\n\n greedy\n\n\n strings\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/67566\" title\u003d\"67566\" 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/67614\" title\u003d\"67614\" 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":2934063,"title":"Feeding Chicken","oj":"CodeForces","probNum":"1254A","num":"L","enabledDescKeys":[2946634723216491],"descBriefs":[{"key":2946634723216491,"updateDate":"2025-10-15","version":1760500759000,"author":"System","authorKey":"main","type":"main","official":true,"mainOfficial":true,"publicVisible":true,"remarks":"Initialization."}],"properties":[{"title":"time_limit","content":"1500 ms","spoiler":false},{"title":"mem_limit","content":"262144 kB","spoiler":false},{"title":"source","content":"\u003ca href\u003d\"https://codeforces.com/contest/1254\"\u003eCodeforces Round 601 (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n greedy\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/71594\" title\u003d\"Codeforces Round #601 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":2650668,"title":"You Are Given a Decimal String...","oj":"CodeForces","probNum":"1202B","num":"M","enabledDescKeys":[2950370677537656],"descBriefs":[{"key":2950370677537656,"updateDate":"2025-10-11","version":1760137952000,"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/1202\"\u003eEducational Codeforces Round 70 (Rated for Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n brute force\n\n\n dp\n\n\n shortest paths\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/68945\" title\u003d\"Educational Codeforces Round 70 [Rated for Div. 2]\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/68972\" title\u003d\"68972\" 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":845866,"title":"The Tag Game","oj":"CodeForces","probNum":"813C","num":"N","enabledDescKeys":[3309457623502873],"descBriefs":[{"key":3309457623502873,"updateDate":"2025-10-12","version":1760273230000,"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/813\"\u003eEducational Codeforces Round 22\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n dfs and similar\n\n\n graphs\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/52383\" title\u003d\"52383\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/52410\" title\u003d\"52410\" 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":3176779,"title":"Recommendations","oj":"CodeForces","probNum":"1310A","num":"O","enabledDescKeys":[2888155895553093],"descBriefs":[{"key":2888155895553093,"updateDate":"2025-10-14","version":1760425330000,"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/1310\"\u003eVK Cup 2019-2020 - Elimination Round (Engine)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n data structures\n\n\n greedy\n\n\n sortings\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/74214\" title\u003d\"VK Cup 2019-2020 - Elimination Round (Engine) and Codeforces Round #623 \" 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":1557431,"title":"Posterized","oj":"CodeForces","probNum":"980C","num":"P","enabledDescKeys":[2870659036854660],"descBriefs":[{"key":2870659036854660,"updateDate":"2025-10-10","version":1760093657000,"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/980\"\u003eCodeforces Round 480 (Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n games\n\n\n greedy\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/59322\" title\u003d\"Codeforces Round #480 (Div. 2)\" 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/59350\" title\u003d\"Tutorial\" 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":1803557,"title":"Array Restoration","oj":"CodeForces","probNum":"1023D","num":"Q","enabledDescKeys":[2818953563892994],"descBriefs":[{"key":2818953563892994,"updateDate":"2025-10-10","version":1760084163000,"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/1023\"\u003eCodeforces Round 504 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n data structures\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/61356\" title\u003d\"Codeforces Round 504 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":2246158,"title":"Toy Train (Simplified)","oj":"CodeForces","probNum":"1129A1","num":"R","enabledDescKeys":[2841093269760388],"descBriefs":[{"key":2841093269760388,"updateDate":"2025-10-11","version":1760186692000,"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/1129\"\u003eCodeforces Round 542 [Alex Lopashev Thanks-Round] (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n brute force\n\n\n greedy\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/65520\" title\u003d\"65520\" 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":1412027,"title":"A Leapfrog in the Array","oj":"CodeForces","probNum":"949B","num":"S","enabledDescKeys":[2880183041182796],"descBriefs":[{"key":2880183041182796,"updateDate":"2025-10-10","version":1760080261000,"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/949\"\u003eCodeforces Round 469 (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n math\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/58229\" title\u003d\"Codeforces Round #469 (based on Moscow Open Olympiad)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/58291\" title\u003d\"58291\" 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":1741348,"title":"Stars Drawing (Easy Edition)","oj":"CodeForces","probNum":"1015E1","num":"T","enabledDescKeys":[2831244770158077],"descBriefs":[{"key":2831244770158077,"updateDate":"2025-10-11","version":1760140345000,"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/1015\"\u003eCodeforces Round 501 (Div. 3)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n brute force\n\n\n dp\n\n\n greedy\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/60918\" title\u003d\"Codeforces Round #501 (Div. 3)\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/60949\" title\u003d\"60949\" 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":1476679,"title":"Subsequence Counting","oj":"CodeForces","probNum":"960C","num":"U","enabledDescKeys":[2883040447425553],"descBriefs":[{"key":2883040447425553,"updateDate":"2025-10-11","version":1760157853000,"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/960\"\u003eDivide by Zero 2018 and Codeforces Round 474 (Div. 1 + Div. 2, combined)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n bitmasks\n\n\n constructive algorithms\n\n\n greedy\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/58802\" title\u003d\"Divide by Zero 2018 and Codeforces Round #474 (Div. 1 + Div. 2, combined) 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":1444702,"title":"Riverside Curio","oj":"CodeForces","probNum":"924C","num":"V","enabledDescKeys":[2881263549286895],"descBriefs":[{"key":2881263549286895,"updateDate":"2025-10-16","version":1760544105000,"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/924\"\u003eVK Cup 2018 - Round 2\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n data structures\n\n\n dp\n\n\n greedy\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/58530\" title\u003d\"VK Cup 2018 Round 2 and Codeforces Round 472\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/58544\" title\u003d\"VK Cup 2018 Round 2 and Codeforces Round #472 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":1623832,"title":"Graph And Its Complement","oj":"CodeForces","probNum":"990D","num":"W","enabledDescKeys":[2874465313402434],"descBriefs":[{"key":2874465313402434,"updateDate":"2025-10-12","version":1760204127000,"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/990\"\u003eEducational Codeforces Round 45 (Rated for Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n constructive algorithms\n\n\n graphs\n\n\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/59919\" title\u003d\"59919\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/59962\" title\u003d\"Educational Codeforces Round 45 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":1402825,"title":"Laboratory Work","oj":"CodeForces","probNum":"931C","num":"X","enabledDescKeys":[2879678016131270],"descBriefs":[{"key":2879678016131270,"updateDate":"2025-10-10","version":1760110535000,"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/931\"\u003eCodeforces Round 468 (Div. 2, based on Technocup 2018 Final Round)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n math\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","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":1438117,"title":"Matrix Walk","oj":"CodeForces","probNum":"954C","num":"Y","enabledDescKeys":[2882434459277582],"descBriefs":[{"key":2882434459277582,"updateDate":"2025-10-14","version":1760393122000,"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/954\"\u003eEducational Codeforces Round 40 (Rated for Div. 2)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n implementation\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/58482\" title\u003d\"Educational Codeforces Round 40 [Rated for Div. 2]\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/58519\" title\u003d\"58519\" 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":32576,"title":"Planets","oj":"CodeForces","probNum":"229B","num":"Z","enabledDescKeys":[3215347642564828],"descBriefs":[{"key":3215347642564828,"updateDate":"2025-10-11","version":1760145086000,"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/229\"\u003eCodeforces Round 142 (Div. 1)\u003c/a\u003e","spoiler":true},{"title":"tags","content":"\n binary search\n\n\n data structures\n\n\n graphs\n\n\n shortest paths\n\n\n \n","spoiler":true},{"title":"difficulty","content":"1700","spoiler":true},{"title":"editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/5437\" title\u003d\"Codeforces Round #142 Problem 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]}],"problemsHash":"0f9e1a224a024daf4aed69cc2074b6a4","privatePeerContestIds":[],"enableTimeMachine":true,"sumTime":true,"penalty":1200,"partialScore":false,"oneShot":false,"customizedWeight":false,"showPeers":true,"excludedFromRank":false,"clonedFromId":0}
