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Open on Codeforces · 2,084 unique accepted
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Quality: 557 global accepts · Tags: binary search, constructive algorithms, dfs and similar, greedy, trees · first AC: May 14, 2023 · C++20 (GCC 11-64) (first AC)
Quality: 1,211 global accepts · Tags: data structures, trees · first AC: Feb 28, 2021 · Kotlin 1.4 (first AC)
Quality: 247 global accepts · Tags: data structures, hashing, math, trees · first AC: Aug 28, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 210 global accepts · Tags: constructive algorithms, divide and conquer, games, trees · first AC: Jan 6, 2024 · Kotlin 1.6 (first AC)
Quality: 255 global accepts · Tags: constructive algorithms, dp, graphs, interactive, sortings, trees · first AC: Jun 21, 2023 · Kotlin 1.6 (first AC)
Quality: 274 global accepts · Tags: combinatorics, dp, probabilities · first AC: Jun 19, 2023 · Kotlin 1.6 (first AC)
Quality: 261 global accepts · Tags: data structures · first AC: Oct 5, 2020 · Kotlin 1.4 (first AC)
Quality: 1,383 global accepts · Tags: bitmasks, brute force, dp, dsu, graphs · first AC: Jul 28, 2020 · Kotlin 1.4 (first AC)
Tags: — · first AC: May 3, 2026 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Apr 30, 2026 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Apr 30, 2026 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Apr 30, 2026 · Kotlin 2.2 (first AC)
Tags: — · first AC: Apr 30, 2026 · C++17 (GCC 7-32) (first AC)
Tags: — · first AC: Apr 30, 2026 · C++17 (GCC 7-32) (first AC)
Tags: — · first AC: Apr 30, 2026 · Kotlin 2.2 (first AC)
Tags: — · first AC: Apr 30, 2026 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Apr 30, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,944 global accepts · Tags: binary search, bitmasks, constructive algorithms, interactive · first AC: Apr 25, 2026 · Kotlin 2.2 (first AC)
Quality: 4,774 global accepts · Tags: dp, math · first AC: Apr 25, 2026 · Kotlin 2.2 (first AC)
Quality: 7,275 global accepts · Tags: greedy, sortings · first AC: Apr 25, 2026 · Kotlin 2.2 (first AC)
Quality: 9,994 global accepts · Tags: brute force, dp, math · first AC: Apr 25, 2026 · Kotlin 2.2 (first AC)
Quality: 3,187 global accepts · Tags: constructive algorithms, data structures, sortings · first AC: Apr 25, 2026 · Kotlin 2.2 (first AC)
Tags: — · first AC: Apr 5, 2026 · Kotlin 2.2 (first AC)
Tags: — · first AC: Mar 16, 2026 · C++20 (GCC 13-64) (first AC)
Tags: — · first AC: Mar 16, 2026 · C++20 (GCC 13-64) (first AC)