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Open on Codeforces · 2,007 unique accepted
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Quality: 951 global accepts · Tags: combinatorics, dsu, number theory, probabilities, trees · first AC: Jan 17, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 2,116 global accepts · Tags: brute force, dp, math · first AC: Aug 9, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,133 global accepts · Tags: dp · first AC: Aug 16, 2023 · last AC: Aug 16, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 1,528 global accepts · Tags: dfs and similar, dp, greedy, trees · first AC: Aug 16, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 1,070 global accepts · Tags: dp · first AC: Aug 16, 2023 · C++17 (GCC 7-32) (first AC)
Quality: 242 global accepts · Tags: data structures, dp, trees · first AC: Mar 8, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,131 global accepts · Tags: data structures, trees · first AC: Aug 22, 2023 · last AC: Aug 22, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 542 global accepts · Tags: brute force, data structures, dp, matrices, string suffix structures, strings · first AC: Jun 5, 2024 · last AC: Jun 5, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,065 global accepts · Tags: brute force, combinatorics, dp, math, probabilities · first AC: Aug 7, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 2,309 global accepts · Tags: data structures, dp, trees · first AC: Aug 17, 2023 · last AC: Aug 17, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 589 global accepts · Tags: data structures, divide and conquer, implementation, trees · first AC: May 19, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 511 global accepts · Tags: data structures, sortings · first AC: Mar 27, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 534 global accepts · Tags: constructive algorithms, greedy · first AC: Aug 24, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 575 global accepts · Tags: data structures, divide and conquer, dsu, graphs, implementation · first AC: Apr 25, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 1,945 global accepts · Tags: binary search, bitmasks, constructive algorithms, interactive · first AC: Apr 25, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 3,191 global accepts · Tags: constructive algorithms, data structures, sortings · first AC: Apr 25, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 4,779 global accepts · Tags: dp, math · first AC: Apr 25, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 7,283 global accepts · Tags: greedy, sortings · first AC: Apr 25, 2026 · C++17 (GCC 7-32) (first AC)
Quality: 10,004 global accepts · Tags: brute force, dp, math · first AC: Apr 25, 2026 · C++17 (GCC 7-32) (first AC)
Tags: — · first AC: Apr 24, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 430 global accepts · Tags: data structures, implementation, math, trees · first AC: Apr 13, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 3,213 global accepts · Tags: binary search, bitmasks, constructive algorithms, interactive · first AC: Apr 13, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 3,608 global accepts · Tags: binary search, constructive algorithms, divide and conquer, interactive, math · first AC: Apr 13, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 8,999 global accepts · Tags: brute force, constructive algorithms, math, number theory · first AC: Apr 13, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 4,270 global accepts · Tags: *special, strings · first AC: Apr 1, 2026 · C++20 (GCC 13-64) (first AC)