[CS Academy] Three Ones|PSCS Academy|Problem Solving-Sliding Window

Three Ones

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[CS Academy] Time to Shine|PSCS Academy|Problem Solving

Time to Shine

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[CS Academy] Towns|PSCS Academy|Problem Solving-Binary Search

Towns

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[Codeforces] Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) D. Kuroni and the Celebration|PSCodeforces|Lowest Common Ancestor-Problem Solving-Greedy

Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!) D. Kuroni and the Celebration

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[Codeforces] Round 621 (Div. 1 + Div. 2) D. Cow and Fields|PSCodeforces|Problem Solving-Graph Theory-BFS-Greedy

Codeforces Round 621 (Div. 1 + Div. 2) D. Cow and Fields

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[Codeforces] Round 624 (Div. 3) F. Moving Points|PSCodeforces|Segment Tree-Problem Solving-Binary Search

Codeforces Round 624 (Div. 3) F. Moving Points

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[Codeforces] Round 622 (Div. 2) C2. Skyscrapers (hard version)|PSCodeforces|Segment Tree-Problem Solving-Dynamic Programming

Codeforces Round 622 (Div. 2) C2. Skyscrapers (hard version)

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[Codeforces] Round 629 (Div. 3) E. Tree Queries|PSCodeforces|Lowest Common Ancestor-Problem Solving

Codeforces Round 629 (Div. 3) E. Tree Queries

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[CS Academy] Toys Big|PSCS Academy|Problem Solving-Math

Toys Big

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[CS Academy] Toys Small|PSCS Academy|Problem Solving-Math

Toys Small

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