[CS Academy] Xor Transform|PSCS Academy|Problem Solving-Math

Xor Transform

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[CS Academy] Xor the Graph|PSCS Academy|Problem Solving-Graph Theory

Xor the Graph

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[CS Academy] Zalmolxis|PSCS Academy|Problem Solving-Greedy

Zalmolxis

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[Codeforces] Round 654 (Div. 2) E2. Asterism (Hard Version)|PSCodeforces|Problem Solving-Math

Codeforces Round 654 (Div. 2) E2. Asterism (Hard Version)

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[Codeforces] Round 654 (Div. 2) E1. Asterism (Easy Version)|PSCodeforces|Problem Solving-Math

Codeforces Round 654 (Div. 2) E1. Asterism (Easy Version)

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[Codeforces] Global Round 9 D. Replace by MEX|PSCodeforces|Problem Solving-Greedy

Codeforces Global Round 9 D. Replace by MEX

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[Codeforces] Round 659 (Div. 1) B. GameGame|PSCodeforces|Problem Solving-Bit Manipulation-Game Theory

Codeforces Round 659 (Div. 1) B. GameGame

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[Codeforces] Round 882 (Div. 2) D. Professor Higashikata|PSCodeforces|Fenwick Tree-Problem Solving-Union Find

Codeforces Round 882 (Div. 2) D. Professor Higashikata

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[Codeforces] Round 883 (Div. 3) G. Rudolf and CodeVid-23|PSCodeforces|Problem Solving-Greedy-Bit Manipulation

Codeforces Round 883 (Div. 3) G. Rudolf and CodeVid-23

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[Codeforces] Round 659 (Div. 2) B2. Koa and the Beach (Hard Version)|PSCodeforces|Problem Solving-Math-Greedy

Codeforces Round 659 (Div. 2) B2. Koa and the Beach (Hard Version)

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