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
620 Kyoya and Train dp fft graphs math probabilities Statement E Codeforces Round 309 (Div. 1) {553} PROGRAMMING Codeforces Round #309 Editorial 3300
451 Complete the Permutations combinatorics fft graphs math Statement E Codeforces Round 372 (Div. 1) {715} PROGRAMMING Codeforces Round #372 Editorial 3400
231 Kevin and Grid fft graphs math Statement I Codeforces Global Round 10 {1392} PROGRAMMING 4000.0 Codeforces Global Round 10 — Editorial
1550 Dominoes combinatorics fft graphs math Statement D Codeforces Round 758 (Div.1 + Div. 2) {1608} PROGRAMMING 1500.0 Editorial of Codeforces Round #758 (Div.1 + Div. 2)
678 Multiset of Strings dp fft flows graphs greedy math Statement F Educational Codeforces Round 132 (Rated for Div. 2) {1709} PROGRAMMING 105164