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Open on Codeforces · 3,000 unique accepted
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Quality: 987 global accepts · Tags: combinatorics, dp, math, probabilities · first AC: Aug 16, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 987 global accepts · Tags: dfs and similar, graphs, probabilities, trees · first AC: Jun 4, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 948 global accepts · Tags: constructive algorithms, graphs, interactive · first AC: Feb 2, 2020 · C++17 (GCC 7-32) (first AC)
Quality: 52 global accepts · Tags: *special, graphs · first AC: Sep 7, 2019 · Kotlin 1.4 (first AC)
Quality: 1,055 global accepts · Tags: combinatorics, dp, trees · first AC: Jan 4, 2019 · last AC: Jan 4, 2019 · C++14 (GCC 6-32) (first AC)
Quality: 189 global accepts · Tags: math · first AC: Sep 16, 2017 · C++14 (GCC 6-32) (first AC)
Quality: 122 global accepts · Tags: greedy · first AC: Sep 11, 2017 · last AC: Sep 11, 2017 · C++14 (GCC 6-32) (first AC)
Quality: 173 global accepts · Tags: dp, geometry · first AC: Sep 3, 2017 · Java 8 (first AC)
Quality: 473 global accepts · Tags: flows, graphs · first AC: Aug 24, 2017 · last AC: Aug 31, 2017 · GNU C++11 (first AC)
Tags: combinatorics, number theory · first AC: Jul 3, 2016 · GNU C++11 (first AC)
Quality: 244 global accepts · Tags: — · first AC: Apr 24, 2016 · GNU C++11 (first AC)
Quality: 709 global accepts · Tags: two pointers · first AC: Feb 28, 2016 · GNU C++11 (first AC)
Quality: 3,410 global accepts · Tags: data structures, divide and conquer · first AC: Apr 4, 2015 · last AC: Jun 7, 2015 · GNU C++11 (first AC)
Tags: — · first AC: Apr 17, 2015 · GNU C++11 (first AC)
Tags: — · first AC: Apr 17, 2015 · GNU C++11 (first AC)
Quality: 458 global accepts · Tags: brute force, data structures, dp · first AC: Jun 13, 2014 · GNU C++ (first AC)
Quality: 204 global accepts · Tags: data structures, implementation, trees · first AC: Jul 17, 2013 · GNU C++ (first AC)
Quality: 383 global accepts · Tags: dp, math, probabilities · first AC: May 12, 2013 · GNU C++ (first AC)
Quality: 433 global accepts · Tags: data structures · first AC: Apr 19, 2013 · GNU C++ (first AC)
Quality: 229 global accepts · Tags: flows, graphs · first AC: Jul 20, 2012 · Delphi (first AC)
Quality: 176 global accepts · Tags: brute force, dp · first AC: Feb 29, 2012 · Delphi (first AC)
Quality: 215 global accepts · Tags: binary search, data structures, divide and conquer, trees · first AC: Jan 29, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 239 global accepts · Tags: brute force, constructive algorithms, math, matrices, number theory · first AC: Sep 8, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 573 global accepts · Tags: brute force, dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation, probabilities, trees · first AC: Aug 7, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 283 global accepts · Tags: data structures, graphs, hashing, trees · first AC: Jun 12, 2025 · C++20 (GCC 13-64) (first AC)