[Codeforces] Round 536 (Div. 2) E. Lunar New Year and Red Envelopes|PSCodeforces|Sorting-Problem Solving-Dynamic Programming-Greedy

Codeforces Round 536 (Div. 2) E. Lunar New Year and Red Envelopes

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[Codeforces] Round 535 (Div. 3) F. MST Unification|PSCodeforces|Sorting-Problem Solving-Greedy-Union Find

Codeforces Round 535 (Div. 3) F. MST Unification

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[Codeforces] Round 543 (Div. 1, based on Technocup 2019 Final Round) C. Compress String|PSCodeforces|Problem Solving-Dynamic Programming-KMP

Codeforces Round 543 (Div. 1, based on Technocup 2019 Final Round) C. Compress String

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[Codeforces] Educational Round 60 (Rated for Div. 2) D. Magic Gems|PSCodeforces|Problem Solving-Math

Educational Codeforces Round 60 (Rated for Div. 2) D. Magic Gems

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[Codeforces] Forethought Future Cup - Elimination Round D. Frog Jumping|PSCodeforces|Problem Solving-Math

Forethought Future Cup - Elimination Round D. Frog Jumping

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[Codeforces] Round 553 (Div. 2) E. Number of Components|PSCodeforces|Problem Solving-Dynamic Programming

Codeforces Round 553 (Div. 2) E. Number of Components

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[Codeforces] Round 554 (Div. 2) D. Neko and Aki`s Prank|PSCodeforces|Problem Solving-Dynamic Programming

Codeforces Round 554 (Div. 2) D. Neko and Aki’s Prank

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[Codeforces] Round 552 (Div. 3) F. Shovels Shop|PSCodeforces|Problem Solving-Dynamic Programming

Codeforces Round 552 (Div. 3) F. Shovels Shop

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[Codeforces] Round 559 (Div. 1) C. Permutation recovery|PSCodeforces|Problem Solving-Graph Theory

Codeforces Round 559 (Div. 1) C. Permutation recovery

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[Codeforces] Round 558 (Div. 2) D. Mysterious Code|PSCodeforces|Problem Solving-Dynamic Programming

Codeforces Round 558 (Div. 2) D. Mysterious Code

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