[CS Academy] Limited Swaps|PSCS Academy|Segment Tree-Problem Solving-Math

Limited Swaps

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[CS Academy] Candles|PSCS Academy|Fenwick Tree-Problem Solving-Binary Search

Candles

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[AtCoder] B - Sum-Product Ratio|PSAtCoder|Problem Solving-Math-Greedy

B - Sum-Product Ratio

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[AtCoder] E - Geometric Progression|PSAtCoder|Problem Solving-Numeric Theory

E - Geometric Progression

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[AtCoder] E - Transitivity|PSAtCoder|Problem Solving-Graph Theory-BFS

E - Transitivity

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[AtCoder] F - Regular Triangle Inside a Rectangle|PSAtCoder|Problem Solving-Geometry

F - Regular Triangle Inside a Rectangle

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[AtCoder] F - Teleporter and Closed off|PSAtCoder|Problem Solving-Dijkstra

F - Teleporter and Closed off

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[Codeforces] Round 660 (Div. 2) C. Uncle Bogdan and Country Happiness|PSCodeforces|Problem Solving-Dynamic Programming-DFS

Codeforces Round 660 (Div. 2) C. Uncle Bogdan and Country Happiness

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[Codeforces] Round 664 (Div. 1) A. Boboniu Chats with Du|PSCodeforces|Problem Solving-Math-Prefix Sum

Codeforces Round 664 (Div. 1) A. Boboniu Chats with Du

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[Codeforces] Round 666 (Div. 1) B. Stoned Game|PSCodeforces|Problem Solving-Game Theory

Codeforces Round 666 (Div. 1) B. Stoned Game

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