[Codeforces] Round 158 (Div. 2) C. Balls and Boxes|PSCodeforces|Problem Solving-Math-Binary Search-Greedy

Codeforces Round 158 (Div. 2) C. Balls and Boxes

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[Codeforces] Round 165 (Div. 1) B. Greenhouse Effect|PSCodeforces|Fenwick Tree-Problem Solving

Codeforces Round 165 (Div. 1) B. Greenhouse Effect

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[Codeforces] Round 168 (Div. 2) B - Convex Shape|PSCodeforces|Problem Solving-Greedy

Codeforces Round 168 (Div. 2) B - Convex Shape

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[CS Academy] Bottle Recycling|PSCS Academy|Problem Solving-Math

Bottle Recycling

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[CS Academy] Boring Number|PSCS Academy|Problem Solving-Math

Boring Number

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[CS Academy] Path Inversions|PSCS Academy|Problem Solving-Union Find-Centroid Decomposition

Path Inversions

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[CS Academy] MST and Rectangles|PSCS Academy|Problem Solving-Union Find-Lazy Propagation Segment Tree-Boruvka Algorithm

MST and Rectangles

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[CS Academy] Baby Seokhwan|PSCS Academy|Sorting-Problem Solving

Baby Seokhwan

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[AtCoder] B - Tree Burning|PSAtCoder|Problem Solving-Math-Prefix Sum

B - Tree Burning

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[AtCoder] E - Weights on Vertices and Edges|PSAtCoder|Problem Solving-Graph Theory-Union Find

E - Weights on Vertices and Edges

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