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Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
402 Pairs dfs and similar dp dsu graphs implementation trees Statement E Yandex.Algorithm Open 2011: Qualification 1 {81} PROGRAMMING 2600
1059 Beautiful Road dfs and similar dp dsu graphs implementation sortings trees Statement D Codeforces Beta Round 73 (Div. 1 Only) {87} PROGRAMMING CodeForces Beta Round #73 div. 1 analysis (particulary with div. 2) 2300
7517 Lakes in Berland dfs and similar dsu graphs greedy implementation Statement D Codeforces Round 375 (Div. 2) {723} PROGRAMMING 1600
11917 Timofey and a tree dfs and similar dp dsu graphs implementation trees Statement A Codeforces Round 395 (Div. 1) {763} PROGRAMMING Codeforces Round #395 [Editorial] 1600
3032 Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings Statement F Codeforces Round 582 (Div. 3) {1213} PROGRAMMING Codeforces Round #582 (Div. 3) Editorial 2400
20999 Solve The Maze constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths Statement D Codeforces Round 648 (Div. 2) {1365} PROGRAMMING 1500.0 Editorial — Codeforces Round #648 1700
1841 Columns Swaps 2-sat dfs and similar dsu graphs implementation Statement G Codeforces Round 656 (Div. 3) {1385} PROGRAMMING Codeforces Round #656 (Div. 3) Editorial 2300
565 Rain of Fire binary search dfs and similar dsu graphs implementation sortings Statement F Codeforces Round 671 (Div. 2) {1419} PROGRAMMING 3000.0 Codeforces Round #671 Editorial
516 Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees Statement E Codeforces Round 775 (Div. 1, based on Moscow Open Olympiad in Informatics) {1648} PROGRAMMING 2500.0 Codeforces Round #775 Editorial
11020 Where is the Pizza? data structures dfs and similar dsu graphs implementation math Statement C Codeforces Round 788 (Div. 2) {1670} PROGRAMMING 1750.0 Tutorial 1400
1452 Coloring brute force combinatorics constructive algorithms dfs and similar dp dsu graphs implementation Statement E Educational Codeforces Round 130 (Rated for Div. 2) {1697} PROGRAMMING 103835
4408 Koxia and Game data structures dfs and similar dsu games graph matchings graphs implementation Statement D Good Bye 2022: 2023 is NEAR {1770} PROGRAMMING 1500.0 Good Bye 2022 -- Editorial
3944 Monsters brute force data structures dfs and similar dsu graphs implementation trees Statement E CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!) {1810} PROGRAMMING 2000.0 Editorial of CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!)
2184 Is It Flower? dfs and similar dsu graphs implementation Statement F Codeforces Round 863 (Div. 3) {1811} PROGRAMMING 114788
27027 The Lakes dfs and similar dsu graphs implementation Statement E Codeforces Round 871 (Div. 4) {1829} PROGRAMMING Codeforces Round 871 (Div. 4) Editorial 1100
7579 Selling a Menagerie dfs and similar dsu graphs implementation math Statement F Codeforces Round 895 (Div. 3) {1872} PROGRAMMING Codeforces Round 895 (Div. 3) Editorial
7309 Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation Statement H1 Codeforces Round 952 (Div. 4) {1985} PROGRAMMING Codeforces Round 952 (Div. 4) Editorial
3889 Medium Demon Problem (hard version) dfs and similar dp dsu graphs implementation trees Statement G2 Codeforces Round 993 (Div. 4) {2044} PROGRAMMING Codeforces Round 993 (Div. 4) Editorial
16260 Disappearing Permutation dfs and similar dsu graphs greedy implementation Statement C Educational Codeforces Round 177 (Rated for Div. 2) {2086} PROGRAMMING Educational Codeforces Round 177 Editorial
2519 Red Light, Green Light (Hard version) binary search dfs and similar dp dsu graphs implementation number theory Statement D2 Codeforces Round 1030 (Div. 2) {2118} PROGRAMMING 1000.0 Codeforces Round 1030 (Div. 2) Editorial