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Open on Codeforces · 2,175 unique accepted
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Quality: 1,430 global accepts · Tags: constructive algorithms, dfs and similar, graphs, shortest paths · first AC: Dec 6, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 449 global accepts · Tags: math · first AC: Oct 5, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 1,301 global accepts · Tags: combinatorics, dp, dsu, fft, graphs, trees · first AC: Sep 30, 2020 · last AC: Oct 1, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 928 global accepts · Tags: constructive algorithms, flows, graph matchings · first AC: Dec 10, 2019 · last AC: Sep 29, 2020 · C++14 (GCC 6-32) (first AC)
Quality: 648 global accepts · Tags: data structures, geometry, sortings · first AC: Aug 9, 2020 · last AC: Aug 9, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 1,669 global accepts · Tags: binary search, dfs and similar, graphs, interactive, shortest paths, trees · first AC: Jun 20, 2020 · last AC: Jun 20, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 1,551 global accepts · Tags: bitmasks, constructive algorithms, divide and conquer, interactive, probabilities · first AC: Jun 13, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 895 global accepts · Tags: binary search, dp, geometry, graphs · first AC: Jun 13, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 619 global accepts · Tags: data structures, dp, strings · first AC: Jun 12, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 502 global accepts · Tags: binary search, constructive algorithms, greedy, implementation · first AC: May 26, 2020 · C++17 (GCC 9-64) (first AC)
Quality: 720 global accepts · Tags: combinatorics · first AC: Apr 6, 2020 · last AC: Apr 6, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 720 global accepts · Tags: data structures, hashing, strings, two pointers · first AC: Feb 23, 2020 · C++14 (GCC 6-32) (first AC)
Quality: 1,507 global accepts · Tags: combinatorics, dp, probabilities · first AC: Jan 29, 2020 · last AC: Jan 29, 2020 · C++14 (GCC 6-32) (first AC)
Quality: 1,532 global accepts · Tags: data structures, probabilities, trees · first AC: Nov 20, 2019 · last AC: Nov 20, 2019 · C++14 (GCC 6-32) (first AC)
Tags: math · first AC: Nov 2, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 480 global accepts · Tags: constructive algorithms, greedy, implementation, math · first AC: Oct 28, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 601 global accepts · Tags: data structures, greedy · first AC: Aug 25, 2019 · last AC: Aug 25, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 1,035 global accepts · Tags: data structures, dp, trees · first AC: Jun 23, 2019 · last AC: Aug 25, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 764 global accepts · Tags: constructive algorithms, trees · first AC: Aug 19, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 399 global accepts · Tags: binary search, data structures, number theory · first AC: Jun 11, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 1,132 global accepts · Tags: bitmasks, constructive algorithms · first AC: Jun 2, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 1,672 global accepts · Tags: data structures, implementation, trees · first AC: May 3, 2019 · C++17 (GCC 7-32) (first AC)
Quality: 637 global accepts · Tags: data structures, dfs and similar, dsu, graphs, meet-in-the-middle, trees · first AC: Oct 7, 2025 · last AC: Oct 7, 2025 · C++23 (GCC 14-64, msys2) (first AC)
Quality: 598 global accepts · Tags: binary search, divide and conquer, interactive, math, probabilities · first AC: Sep 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 481 global accepts · Tags: brute force, constructive algorithms, data structures, greedy, sortings · first AC: Jan 12, 2025 · C++20 (GCC 13-64) (first AC)