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Penguin Dance

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Permutations

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Play Time

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Printer

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Pyramids

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Manthan, Codefest 19 (open for everyone, rated, Div. 1 + Div. 2) D. Restore Permutation

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[Codeforces] Global Round 4 E. Archaeology|PSCodeforces|Problem Solving-Two Pointer-Greedy

Codeforces Global Round 4 E. Archaeology

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Codeforces Round 567 (Div. 2) C. Flag

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[Codeforces] Round 570 (Div. 3) H. Subsequences (hard version)|PSCodeforces|Problem Solving-Dynamic Programming

Codeforces Round 570 (Div. 3) H. Subsequences (hard version)

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[Codeforces] Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) E1. Daleks` Invasion (easy)|PSCodeforces|Problem Solving-Union Find

Helvetic Coding Contest 2019 online mirror (teams allowed, unrated) E1. Daleks’ Invasion (easy)

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