[AtCoder] C - 高橋王国の分割統治|PSAtCoder|Problem Solving-DFS

C - 高橋王国の分割統治

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[AtCoder] D - 閉路|PSAtCoder|Lowest Common Ancestor-Problem Solving

D - 閉路

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[AtCoder] D - 壊れた電卓|PSAtCoder|Problem Solving-Math-DFS

D - 壊れた電卓

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[AtCoder] C - 高橋君と国家|PSAtCoder|Problem Solving-Greedy-Union Find

C - 高橋君と国家

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[AtCoder] D - 映画の連続視聴|PSAtCoder|Problem Solving-Dynamic Programming

D - 映画の連続視聴

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[Codeforces] Round #695 (Div. 2) B. Hills And Valleys|PSCodeforces|Problem Solving-Math-Greedy

Codeforces Round #695 (Div. 2) B. Hills And Valleys

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[Codeforces] 2020-2021 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules) D. Firecrackers|PSCodeforces|Problem Solving-Math-Greedy

2020-2021 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules) D. Firecrackers

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[Codeforces] 2020-2021 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules) F. Full Turn|PSCodeforces|Problem Solving-Geometry

2020-2021 ICPC, NERC, Southern and Volga Russian Regional Contest (Online Mirror, ICPC Rules) F. Full Turn

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[Codeforces] Educational Round 101 (Rated for Div. 2) D. Ceil Divisions|PSCodeforces|Problem Solving-Math

Educational Codeforces Round 101 (Rated for Div. 2) D. Ceil Divisions

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[Codeforces] Round #693 (Div. 3) E. Correct Placement|PSCodeforces|Sorting-Problem Solving

Codeforces Round #693 (Div. 3) E. Correct Placement

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