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6814 A Lot of Games dfs and similar dp games implementation strings trees Statement B Codeforces Round 260 (Div. 1) {455} PROGRAMMING Codeforces Round #260 — Editorial 2100
1033 Cookies binary search data structures dfs and similar dp games trees Statement F Codeforces Round 530 (Div. 2) {1099} PROGRAMMING E 2300
233 Star Trek *special combinatorics dfs and similar dp games graphs matrices trees Statement C Central-European Olympiad in Informatics, CEOI 2020, Day 1 (IOI, Unofficial Mirror Contest, Unrated) {1402} PROGRAMMING Editorial
8159 Tree Tag dfs and similar dp games trees Statement B Codeforces Round 668 (Div. 1) {1404} PROGRAMMING 1000.0 Codeforces Round #668 Editorial
1053 Christmas Game data structures dfs and similar dp games math trees Statement F CodeCraft-21 and Codeforces Round 711 (Div. 2) {1498} PROGRAMMING 3000.0 CodeCraft-21 and Codeforces Round #711 (Div. 2) Editorial
1008 Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees Statement E Codeforces Round 761 (Div. 2) {1617} PROGRAMMING 3000.0 Editorial for Codeforces Round #761 (Div. 2)
4314 Game on Tree (Medium) dfs and similar dp games trees Statement C2 Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} PROGRAMMING Helvetic Coding Contest 2024 Editorial 1700
2412 Game on Tree (Hard) dfs and similar dp games trees Statement C3 Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} PROGRAMMING Helvetic Coding Contest 2024 Editorial 1900
4503 Resourceful Caterpillar Sequence dfs and similar dp games graphs implementation trees Statement E Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 2000.0 Good Bye 2024: 2025 is NEAR Editorial
2041 Boxed Like a Fish dfs and similar dp games trees Statement D Codeforces Round 1085 (Div. 1 + Div. 2) {2207} PROGRAMMING 2250.0 Codeforces Round 1085 (Div. 1 + Div. 2) Editorial