[AtCoder] D - 1|PSAtCoder|Problem Solving-Dynamic Programming-Math

D - 1

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[AtCoder] B - ドキドキデート大作戦高橋君|PSAtCoder|Problem Solving-Two Pointer-Line Sweeping

B - ドキドキデート大作戦高橋君

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[AtCoder] D - へんてこ辞書|PSAtCoder|Problem Solving-Graph Theory-Cycle Detection Algorithm

D - へんてこ辞書

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[AtCoder] D - ヘイホー君と削除|PSAtCoder|Problem Solving-Longest Common Subsequence

D - ヘイホー君と削除

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[AtCoder] C - 一次元オセロ|PSAtCoder|Problem Solving-Greedy

C - 一次元オセロ

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[Codeforces] April Fools Contest 2018 C. Ravioli Sort|PSCodeforces|Sorting-Problem Solving-Graph Theory

April Fools Contest 2018 C. Ravioli Sort

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[Codeforces] Educational Round 40 (Rated for Div. 2) D. Fight Against Traffic|PSCodeforces|Problem Solving-Graph Theory-BFS-Greedy

Educational Codeforces Round 40 (Rated for Div. 2) D. Fight Against Traffic

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[Codeforces] Helvetic Coding Contest 2018 online mirror (teams allowed, unrated) E1. Guard Duty (easy)|PSCodeforces|Problem Solving-Back Tracking-Bit Manipulation-Geometry

Helvetic Coding Contest 2018 online mirror (teams allowed, unrated) E1. Guard Duty (easy)

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[Codeforces] Educational Round 42 (Rated for Div. 2) D. Merge Equals|PSCodeforces|Problem Solving-Hash Table-Math-Recursion

Educational Codeforces Round 42 (Rated for Div. 2) D. Merge Equals

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[Codeforces] Round #482 (Div. 2) C. Kuro and Walking Route|PSCodeforces|Problem Solving-DFS

Codeforces Round #482 (Div. 2) C. Kuro and Walking Route

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