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
1011 Bermuda Triangle chinese remainder theorem constructive algorithms geometry math number theory Statement C Codeforces Round 1021 (Div. 1) {2097} PROGRAMMING 1500.0 142316
17627 Square Pool chinese remainder theorem geometry Statement B Codeforces Round 1033 (Div. 2) and CodeNite 2025 {2120} PROGRAMMING 750.0 Codeforces Round 1033 (Div. 2) and CodeNite 2025 Editorial