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Open on Codeforces · 627 unique accepted
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Quality: 1,441 global accepts · Tags: combinatorics, dp, math · first AC: Feb 16, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 2,155 global accepts · Tags: 2-sat, constructive algorithms, dfs and similar, dsu, graphs · first AC: Dec 22, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 1,166 global accepts · Tags: combinatorics, math, probabilities · first AC: Dec 6, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 1,292 global accepts · Tags: brute force, constructive algorithms, divide and conquer, math, ternary search · first AC: Nov 23, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 782 global accepts · Tags: combinatorics, implementation, math · first AC: Nov 3, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 1,392 global accepts · Tags: bitmasks, brute force, dfs and similar, dp, graphs, shortest paths · first AC: Sep 22, 2025 · C++17 (GCC 7-32) (first AC)
Quality: 1,792 global accepts · Tags: binary search, combinatorics, dp, implementation, math, two pointers · first AC: Apr 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 856 global accepts · Tags: binary search, bitmasks, data structures, dp, implementation · first AC: Nov 18, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,376 global accepts · Tags: constructive algorithms, dfs and similar, graphs, greedy, hashing, implementation, strings · first AC: Oct 20, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,716 global accepts · Tags: combinatorics, fft, math · first AC: Oct 14, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,814 global accepts · Tags: dp, greedy, trees · first AC: Jun 9, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 2,004 global accepts · Tags: dfs and similar, graphs, greedy, shortest paths · first AC: Apr 16, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 2,074 global accepts · Tags: constructive algorithms, dfs and similar, graphs, shortest paths · first AC: Apr 16, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,541 global accepts · Tags: constructive algorithms, dfs and similar, dp, greedy, interactive · first AC: Mar 30, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 930 global accepts · Tags: constructive algorithms, math, probabilities · first AC: Mar 26, 2024 · C++17 (GCC 7-32) (first AC)
Quality: 1,123 global accepts · Tags: constructive algorithms, dfs and similar, graphs · first AC: Mar 8, 2024 · last AC: Mar 8, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 1,728 global accepts · Tags: data structures, graphs, greedy, implementation, shortest paths, sortings · first AC: Feb 29, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 2,073 global accepts · Tags: constructive algorithms, dfs and similar, graphs, shortest paths · first AC: Jan 31, 2024 · last AC: Jan 31, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 1,907 global accepts · Tags: constructive algorithms, math · first AC: Jan 11, 2024 · last AC: Jan 11, 2024 · C++17 (GCC 9-64) (first AC)
Quality: 2,034 global accepts · Tags: constructive algorithms, graphs, greedy, interactive, sortings · first AC: Dec 29, 2023 · last AC: Dec 29, 2023 · C++17 (GCC 9-64) (first AC)
Quality: 2,316 global accepts · Tags: binary search, data structures, dp, greedy · first AC: Nov 20, 2023 · last AC: Nov 21, 2023 · C++17 (GCC 9-64) (first AC)
Quality: 2,503 global accepts · Tags: brute force, data structures, hashing, interactive, string suffix structures, strings · first AC: Nov 15, 2023 · C++17 (GCC 9-64) (first AC)
Quality: 2,699 global accepts · Tags: flows, graphs · first AC: Nov 2, 2023 · C++17 (GCC 9-64) (first AC)
Quality: 2,283 global accepts · Tags: binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers · first AC: Oct 22, 2023 · C++17 (GCC 9-64) (first AC)
Quality: 875 global accepts · Tags: constructive algorithms, dsu, graphs, greedy · first AC: Oct 19, 2023 · C++17 (GCC 9-64) (first AC)