Loading submissions and problem data—large accounts can take a few seconds.
Open on Codeforces · 1,576 unique accepted
Rating filter only includes problems with a known rating. Topic filter matches if the problem has that exact Codeforces tag. Page 51 / 64Export PDF (full filtered list)
Quality: 1,139 global accepts · Tags: math, number theory · first AC: Jan 17, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,015 global accepts · Tags: brute force, graphs, math, meet-in-the-middle · first AC: Jan 16, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 2,473 global accepts · Tags: data structures, string suffix structures, strings · first AC: Dec 27, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 507 global accepts · Tags: data structures, dfs and similar, trees · first AC: Dec 17, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 928 global accepts · Tags: divide and conquer, graphs, meet-in-the-middle, number theory · first AC: Dec 4, 2021 · C++14 (GCC 6-32) (first AC)
Quality: 1,794 global accepts · Tags: data structures, divide and conquer, hashing · first AC: Dec 3, 2021 · last AC: Dec 3, 2021 · C++14 (GCC 6-32) (first AC)
Quality: 1,597 global accepts · Tags: dp, matrices · first AC: Nov 24, 2021 · C++14 (GCC 6-32) (first AC)
Quality: 1,302 global accepts · Tags: combinatorics, dp, dsu, fft, graphs, trees · first AC: Aug 27, 2021 · C++14 (GCC 6-32) (first AC)
Quality: 896 global accepts · Tags: constructive algorithms, dfs and similar, geometry, graphs, sortings, trees · first AC: Aug 21, 2021 · C++14 (GCC 6-32) (first AC)
Quality: 451 global accepts · Tags: bitmasks, constructive algorithms, divide and conquer, graphs, greedy, math · first AC: Aug 17, 2021 · C++14 (GCC 6-32) (first AC)
Quality: 1,015 global accepts · Tags: combinatorics, dp, fft, math · first AC: Aug 16, 2021 · C++14 (GCC 6-32) (first AC)
Quality: 387 global accepts · Tags: flows, graph matchings · first AC: Jun 14, 2021 · GNU C++11 (first AC)
Quality: 2,681 global accepts · Tags: chinese remainder theorem, math, number theory · first AC: Sep 18, 2020 · GNU C++11 (first AC)
Quality: 720 global accepts · Tags: data structures, hashing, strings, two pointers · first AC: Feb 27, 2020 · GNU C++11 (first AC)
Quality: 1,011 global accepts · Tags: data structures, divide and conquer, geometry, trees · first AC: Feb 25, 2020 · GNU C++11 (first AC)
Quality: 1,981 global accepts · Tags: data structures, divide and conquer, trees · first AC: Feb 21, 2020 · GNU C++11 (first AC)
Tags: dfs and similar, divide and conquer, trees · first AC: Feb 19, 2020 · GNU C++11 (first AC)
Quality: 411 global accepts · Tags: bitmasks, brute force, constructive algorithms, dfs and similar, divide and conquer, dp, greedy, interactive, math, probabilities · first AC: Nov 23, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 666 global accepts · Tags: combinatorics, data structures, greedy · first AC: Sep 20, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 570 global accepts · Tags: combinatorics, dp · first AC: Jul 13, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 742 global accepts · Tags: brute force, combinatorics, dp, math · first AC: Dec 19, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 598 global accepts · Tags: combinatorics, dp, math, sortings · first AC: Nov 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 506 global accepts · Tags: combinatorics, dp, math, number theory · first AC: Nov 23, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 757 global accepts · Tags: constructive algorithms, graphs, implementation, math · first AC: Oct 13, 2024 · last AC: Oct 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 660 global accepts · Tags: data structures, math, sortings, trees · first AC: Jul 15, 2024 · C++20 (GCC 13-64) (first AC)