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
3871 ''a'' String Problem hashing implementation math string suffix structures strings Statement D Codeforces Global Round 26 {1984} PROGRAMMING 2500.0 Codeforces Global Round 26 Editorial