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
614 Petya and Tree binary search dfs and similar probabilities sortings trees Statement C Yandex.Algorithm 2011: Round 1 {85} PROGRAMMING Yandex.Algorithm 2011 - Round 1. Problem C. Tutorial 2200