Codeforces problemset search & solutions
Exclude tags.

Review the problem statement from Codeforces (link will open a new tab). When you've matched your problem, go to the solutions.

Search on plain tags, ratings, names, and problem text. Example: brute force or binary search

Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
1211 Famil Door and Roads combinatorics data structures dfs and similar dp probabilities trees Statement E Codeforces Round 343 (Div. 2) {629} PROGRAMMING Editorial of Codeforces Round #343 (Div.2) 2400
7016 Number of Simple Paths combinatorics data structures dfs and similar dsu graphs trees Statement E Codeforces Round 686 (Div. 3) {1454} PROGRAMMING Codeforces Round #686 (Div. 3) Editorial
884 Pairs of Paths combinatorics data structures trees Statement F Codeforces Round 703 (Div. 2) {1486} PROGRAMMING 3000.0 Codeforces Round #703 (Div. 2) Editorial
2352 MEX Tree combinatorics constructive algorithms data structures dfs and similar math trees Statement D Codeforces Round 721 (Div. 2) {1527} PROGRAMMING 2250.0 Tutorial 2400
645 Electrical Efficiency combinatorics data structures dp number theory trees Statement E COMPFEST 14 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1725} PROGRAMMING Tutorial
710 Segment Covering brute force combinatorics constructive algorithms data structures trees Statement G Polynomial Round 2022 (Div. 1 + Div. 2, Rated, Prizes!) {1774} PROGRAMMING 3250.0 Polynomial Round 2022 (Div. 1 + Div. 2) Editorial
3139 Guess Game bitmasks combinatorics constructive algorithms data structures games math probabilities strings trees Statement E Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} PROGRAMMING 2000.0 Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial
2320 Fenwick Tree bitmasks brute force combinatorics data structures dp math trees Statement C Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 1250.0 Tutorial 2300
1357 Splittable Permutations combinatorics data structures dfs and similar greedy math trees Statement E Educational Codeforces Round 166 (Rated for Div. 2) {1976} PROGRAMMING Educational Codeforces Round 166 Editorial
955 Counting Is Not Fun (Hard Version) combinatorics data structures dfs and similar dsu trees Statement F2 Codeforces Round 1000 (Div. 2) {2063} PROGRAMMING 1500.0 Codeforces Round 1000 (Div. 2) — Editorial
1218 Jumping Man combinatorics data structures dp trees Statement F Hello 2026 {2183} PROGRAMMING 2750.0
2050 Deconstruction Tree combinatorics data structures dp graphs trees Statement E Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) {2229} PROGRAMMING 2500.0 Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2) Editorial