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Open on Codeforces · 2,041 unique accepted
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Quality: 2,438 global accepts · Tags: bitmasks, data structures, divide and conquer, math, number theory · first AC: May 18, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,424 global accepts · Tags: data structures, dfs and similar, graphs, math, trees · first AC: May 8, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 3,001 global accepts · Tags: data structures, sortings · first AC: May 6, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 590 global accepts · Tags: dp, trees · first AC: May 5, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 6,142 global accepts · Tags: bitmasks, combinatorics, dp · first AC: May 2, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,921 global accepts · Tags: bitmasks, greedy, math, two pointers · first AC: Apr 28, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,858 global accepts · Tags: dfs and similar, greedy, trees · first AC: Jan 16, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 1,633 global accepts · Tags: binary search, bitmasks, brute force, data structures, dp · first AC: Oct 10, 2021 · C++17 (GCC 7-32) (first AC)
Quality: 857 global accepts · Tags: brute force, dp, greedy, interactive, math, number theory, trees · first AC: Mar 28, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 350 global accepts · Tags: binary search, games, trees · first AC: Mar 8, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 789 global accepts · Tags: data structures, greedy, implementation · first AC: Feb 23, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 996 global accepts · Tags: data structures, dp, expression parsing, flows, greedy, strings · first AC: Feb 11, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 483 global accepts · Tags: combinatorics, data structures, fft, math, sortings · first AC: Feb 1, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 747 global accepts · Tags: binary search, data structures, hashing, string suffix structures, strings · first AC: Feb 1, 2026 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 1,024 global accepts · Tags: combinatorics, math, probabilities · first AC: Jan 23, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,203 global accepts · Tags: binary search, divide and conquer, greedy, sortings, ternary search, two pointers · first AC: Jan 16, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,025 global accepts · Tags: binary search, brute force, dp, geometry, greedy, math, two pointers · first AC: Oct 12, 2025 · last AC: Oct 12, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,039 global accepts · Tags: data structures, greedy · first AC: Oct 3, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 891 global accepts · Tags: combinatorics, dp, math, sortings · first AC: Nov 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 851 global accepts · Tags: constructive algorithms, graphs, greedy · first AC: Nov 9, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,016 global accepts · Tags: bitmasks, dfs and similar, flows, graph matchings, graphs · first AC: Oct 29, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,102 global accepts · Tags: binary search, brute force, dfs and similar, dp, trees · first AC: Oct 27, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 957 global accepts · Tags: dp, greedy, implementation · first AC: Oct 7, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,209 global accepts · Tags: data structures, dp, dsu, graphs, math, trees · first AC: Oct 7, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,749 global accepts · Tags: data structures, divide and conquer, hashing, two pointers · first AC: Sep 13, 2024 · C++20 (GCC 13-64) (first AC)