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Open on Codeforces · 403 unique accepted
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Quality: 2,036 global accepts · Tags: binary search, bitmasks, combinatorics, divide and conquer, dp, math · first AC: Jan 6, 2024 · last AC: Jan 6, 2024 · C++20 (GCC 11-64) (first AC)
Tags: combinatorics, dp, fft, games, math · first AC: Feb 5, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 2,034 global accepts · Tags: constructive algorithms, graphs, greedy, interactive, sortings · first AC: Jan 4, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 1,425 global accepts · Tags: dp, greedy, sortings · first AC: Nov 26, 2022 · C++17 (GCC 7-32) (first AC)
Quality: 951 global accepts · Tags: combinatorics, dsu, number theory, probabilities, trees · first AC: Jan 17, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 483 global accepts · Tags: combinatorics, data structures, fft, math, sortings · first AC: Dec 10, 2024 · last AC: Dec 10, 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: 1,629 global accepts · Tags: constructive algorithms, math · first AC: Jan 5, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 1,554 global accepts · Tags: brute force, data structures, dfs and similar, trees · first AC: Aug 15, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 650 global accepts · Tags: combinatorics, dfs and similar, dp, math, trees · first AC: Nov 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 939 global accepts · Tags: combinatorics, dp, fft, math · first AC: Dec 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,130 global accepts · Tags: combinatorics, constructive algorithms, dp, implementation, math · first AC: Jan 7, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 752 global accepts · Tags: combinatorics, dp, math · first AC: Sep 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,961 global accepts · Tags: constructive algorithms, dfs and similar, graphs, math · first AC: Feb 7, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,430 global accepts · Tags: combinatorics, dp, math · first AC: Jan 27, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 631 global accepts · Tags: combinatorics, dp, math, matrices, string suffix structures · first AC: Dec 30, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 715 global accepts · Tags: brute force, combinatorics, dp, math, matrices · first AC: Dec 30, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 894 global accepts · Tags: data structures, divide and conquer, probabilities · first AC: Jan 25, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 932 global accepts · Tags: divide and conquer, dp, math, probabilities · first AC: Sep 30, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 423 global accepts · Tags: binary search, combinatorics, data structures, dfs and similar, dp, graphs, math, trees · first AC: Nov 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 508 global accepts · Tags: constructive algorithms, data structures, greedy · first AC: Apr 5, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 360 global accepts · Tags: combinatorics, math, number theory · first AC: Sep 20, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 423 global accepts · Tags: bitmasks, constructive algorithms, interactive · first AC: Apr 19, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 6,291 global accepts · Tags: *special, constructive algorithms, strings · first AC: Apr 2, 2023 · Mysterious Language (first AC)
Quality: 10,892 global accepts · Tags: *special, expression parsing, trees · first AC: Apr 2, 2022 · Text (first AC)