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Open on Codeforces · 1,172 unique accepted
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Quality: 3,174 global accepts · Tags: combinatorics, dp, math, number theory · first AC: Mar 23, 2024 · C++14 (GCC 6-32) (first AC)
Quality: 2,063 global accepts · Tags: constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings · first AC: Jan 31, 2024 · C++17 (GCC 7-32) (first AC)
Tags: greedy, sortings, two pointers · first AC: Jan 17, 2024 · C++17 (GCC 9-64) (first AC)
Quality: 2,726 global accepts · Tags: bitmasks, dp, math, probabilities · first AC: Nov 24, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 2,455 global accepts · Tags: dfs and similar, greedy, sortings, trees · first AC: Nov 3, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 8,283 global accepts · Tags: dp · first AC: Nov 2, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 2,000 global accepts · Tags: binary search, two pointers · first AC: Nov 2, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 2,007 global accepts · Tags: combinatorics, constructive algorithms, dfs and similar, graphs, math · first AC: Nov 1, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 2,591 global accepts · Tags: constructive algorithms, dp, greedy, implementation · first AC: Oct 3, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 4,228 global accepts · Tags: bitmasks, brute force, dp · first AC: Aug 18, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 3,197 global accepts · Tags: brute force, data structures, dp, greedy, two pointers · first AC: Aug 17, 2023 · last AC: Aug 17, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 5,130 global accepts · Tags: implementation, math, probabilities, trees · first AC: Aug 11, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 609 global accepts · Tags: *special · first AC: Jul 28, 2023 · Secret 2021 (first AC)
Quality: 2,977 global accepts · Tags: binary search, brute force, math, ternary search · first AC: Jul 21, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 2,355 global accepts · Tags: constructive algorithms, dfs and similar, graphs, greedy · first AC: Jun 30, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 2,537 global accepts · Tags: brute force, combinatorics, dp · first AC: May 12, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 3,450 global accepts · Tags: brute force, data structures, dfs and similar, trees · first AC: Apr 5, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 2,821 global accepts · Tags: data structures, greedy, implementation, trees · first AC: Feb 3, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,292 global accepts · Tags: greedy, implementation, interactive, sortings, two pointers · first AC: Jan 17, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,737 global accepts · Tags: bitmasks, divide and conquer, dp, greedy, math · first AC: Dec 19, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,580 global accepts · Tags: data structures, dfs and similar, dsu, graphs, greedy · first AC: Nov 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,695 global accepts · Tags: combinatorics, graph matchings, math · first AC: Oct 12, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,056 global accepts · Tags: brute force, constructive algorithms, data structures, divide and conquer, greedy, hashing · first AC: Sep 22, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,663 global accepts · Tags: binary search, bitmasks, constructive algorithms, dp, interactive · first AC: Jul 31, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,280 global accepts · Tags: binary search, data structures, dp, flows, greedy, two pointers · first AC: Mar 23, 2025 · C++20 (GCC 13-64) (first AC)