[AtCoder] G - String Fair|PSAtCoder|Problem Solving-Graph Theory-BFS

G - String Fair

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[Codeforces] Round #540 (Div. 3) C. Palindromic Matrix|PSCodeforces|Problem Solving-Greedy

Codeforces Round #540 (Div. 3) C. Palindromic Matrix

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[Codeforces] Round #540 (Div. 3) D2. Coffee and Coursework (Hard Version)|PSCodeforces|Problem Solving-Binary Search

Codeforces Round #540 (Div. 3) D2. Coffee and Coursework (Hard Version)

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[Codeforces] Round #540 (Div. 3) D1. Coffee and Coursework (Easy version)|PSCodeforces|Problem Solving-Binary Search

Codeforces Round #540 (Div. 3) D1. Coffee and Coursework (Easy version)

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[Codeforces] Round #540 (Div. 3) E. Yet Another Ball Problem|PSCodeforces|Problem Solving-Greedy

Codeforces Round #540 (Div. 3) E. Yet Another Ball Problem

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[Codeforces] Round #542 [Alex Lopashev Thanks-Round] (Div. 1) A2. Toy Train|PSCodeforces|Segment Tree-Problem Solving-Math

Codeforces Round #542 [Alex Lopashev Thanks-Round] (Div. 1) A2. Toy Train

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[Codeforces] Round #542 [Alex Lopashev Thanks-Round] (Div. 1) A1. Toy Train (Simplified)|PSCodeforces|Segment Tree-Problem Solving-Math

Codeforces Round #542 [Alex Lopashev Thanks-Round] (Div. 1) A1. Toy Train (Simplified)

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[CS Academy] MinMax Subarray|PSCS Academy|Problem Solving-Sliding Window

MinMax Subarray

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[CS Academy] A-Game|PSCS Academy|Problem Solving-Game Theory-Sprague-Grundy Theorem

A-Game

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[CS Academy] Lightbulbs|PSCS Academy|Problem Solving-Bit Manipulation

Lightbulbs

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