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
2111 Desk Disorder combinatorics dfs and similar dsu graphs trees Statement E MemSQL Start[c]UP 3.0 - Round 1 {859} PROGRAMMING Tutorial 2100
361 Send Tree to Charlie combinatorics dfs and similar dsu trees Statement E Codeforces Round 601 (Div. 1) {1254} PROGRAMMING Codeforces Round #601 Editorial 3200
6596 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
3162 Preorder combinatorics divide and conquer dp dsu hashing trees Statement E Educational Codeforces Round 127 (Rated for Div. 2) {1671} PROGRAMMING 102181
295 Imitating the Key Tree combinatorics dsu trees Statement I COMPFEST 14 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) {1725} PROGRAMMING Tutorial
924 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
1886 Baggage Claim combinatorics dsu graphs math trees Statement B Codeforces Round 1021 (Div. 1) {2097} PROGRAMMING 1000.0 142316
1808 Conquer or of Forest combinatorics dfs and similar dsu trees Statement F Good Bye 2025 {2178} PROGRAMMING 2750.0
941 Prufer Vertex combinatorics dsu number theory probabilities trees Statement D Codeforces Round 1073 (Div. 1) {2190} PROGRAMMING 2250.0 Codeforces Round 1073 (Div. 1, Div. 2) Editorial