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Open on Codeforces · 1,528 unique accepted
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Quality: 429 global accepts · Tags: combinatorics, fft, math, number theory · first AC: Feb 26, 2022 · last AC: Feb 26, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,107 global accepts · Tags: brute force, divide and conquer, dp, greedy, trees · first AC: Oct 6, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 457 global accepts · Tags: interactive, math, number theory, probabilities · first AC: Aug 27, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 1,333 global accepts · Tags: binary search, bitmasks, brute force, data structures, probabilities, trees · first AC: Feb 11, 2021 · last AC: Feb 11, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 233 global accepts · Tags: — · first AC: Dec 21, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 347 global accepts · Tags: combinatorics, graphs, trees · first AC: Oct 30, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 450 global accepts · Tags: data structures, dfs and similar, games, graphs, implementation, trees · first AC: Jan 26, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 422 global accepts · Tags: combinatorics, dp, fft, math · first AC: Jul 15, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 285 global accepts · Tags: bitmasks, brute force, dp, trees · first AC: Jul 8, 2024 · last AC: Jul 8, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 642 global accepts · Tags: binary search, data structures, dsu, geometry, graphs, trees · first AC: Feb 1, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 914 global accepts · Tags: brute force, dfs and similar, graphs, implementation, trees · first AC: Oct 29, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 1,295 global accepts · Tags: data structures, graphs, shortest paths · first AC: Jul 21, 2023 · last AC: Jul 21, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 1,184 global accepts · Tags: bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees · first AC: Jul 13, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 563 global accepts · Tags: data structures, dfs and similar, divide and conquer, dsu, trees · first AC: Apr 20, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 557 global accepts · Tags: brute force, data structures, trees · first AC: Jan 31, 2023 · last AC: Jan 31, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 891 global accepts · Tags: combinatorics, dfs and similar, dp, math, trees · first AC: Jul 25, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 812 global accepts · Tags: combinatorics, dp, fft, math · first AC: Apr 27, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 1,074 global accepts · Tags: data structures, dfs and similar, dp, shortest paths, trees · first AC: Mar 4, 2022 · C++20 (GCC 11-64) (first AC)
Quality: 707 global accepts · Tags: constructive algorithms, dfs and similar, graphs · first AC: Nov 24, 2021 · C++20 (GCC 11-64) (first AC)
Quality: 719 global accepts · Tags: constructive algorithms, geometry, sortings · first AC: Apr 17, 2021 · C++17 (GCC 9-64) (first AC)
Quality: 320 global accepts · Tags: bitmasks, brute force, dp, implementation, number theory · first AC: May 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 625 global accepts · Tags: binary search, bitmasks, data structures, greedy, two pointers · first AC: May 10, 2024 · last AC: May 10, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 419 global accepts · Tags: dp, math, number theory, strings · first AC: Apr 18, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 515 global accepts · Tags: greedy, math, sortings, two pointers · first AC: Apr 13, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 945 global accepts · Tags: bitmasks, combinatorics, dp, math, number theory · first AC: Jan 1, 2023 · C++20 (GCC 11-64) (first AC)