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Open on Codeforces · 1,220 unique accepted
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Quality: 350 global accepts · Tags: brute force, constructive algorithms, data structures, hashing, strings · first AC: Feb 2, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,333 global accepts · Tags: binary search, bitmasks, brute force, data structures, probabilities, trees · first AC: Jul 21, 2021 · last AC: Jul 21, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 2,513 global accepts · Tags: dfs and similar, divide and conquer, dsu · first AC: May 26, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 948 global accepts · Tags: constructive algorithms, graphs, interactive · first AC: Dec 30, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 629 global accepts · Tags: data structures, dsu, trees · first AC: Dec 19, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 705 global accepts · Tags: dfs and similar, dp, graphs, greedy · first AC: Jul 16, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 2,130 global accepts · Tags: combinatorics, divide and conquer, fft, number theory · first AC: Feb 17, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 407 global accepts · Tags: data structures, divide and conquer, trees · first AC: Oct 11, 2021 · last AC: Oct 13, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 675 global accepts · Tags: dfs and similar, dsu, trees · first AC: Mar 17, 2022 · C++20 (GCC 11-64) (first AC)
Tags: data structures, dsu, sortings, trees · first AC: Oct 18, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 1,097 global accepts · Tags: constructive algorithms, number theory · first AC: Mar 17, 2021 · PyPy 3 (first AC)
Quality: 6,571 global accepts · Tags: *special, strings · first AC: Apr 5, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 10,137 global accepts · Tags: *special, graph matchings, implementation · first AC: Apr 5, 2026 · PyPy 3-64 (first AC)
Quality: 876 global accepts · Tags: bitmasks, communication, constructive algorithms, graphs, interactive · first AC: Dec 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,552 global accepts · Tags: binary search, combinatorics, communication, constructive algorithms, greedy, interactive · first AC: Dec 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 3,305 global accepts · Tags: bitmasks, communication, interactive, math · first AC: Dec 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 5,028 global accepts · Tags: communication, constructive algorithms, interactive · first AC: Dec 22, 2025 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Jan 20, 2025 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Nov 12, 2024 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Oct 22, 2024 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Oct 22, 2024 · last AC: Oct 22, 2024 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Oct 15, 2024 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Oct 15, 2024 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Oct 14, 2024 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Oct 14, 2024 · PyPy 3-64 (first AC)