[CS Academy] Build Binary Matrix|PSCS Academy|Problem Solving-Binary Search-Bit Manipulation

Build Binary Matrix

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[CS Academy] Best Driver|PSCS Academy|Problem Solving-Math

Best Driver

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[AtCoder] E - guruguru|PSAtCoder|Problem Solving-Prefix Sum

E - guruguru

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[AtCoder] D - Game on Tree|PSAtCoder|Problem Solving-Sprague-Grundy Theorem

D - Game on Tree

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[AtCoder] E - Awkward Response|PSAtCoder|Problem Solving-Binary Search

E - Awkward Response

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[AtCoder] E - Young Maids|PSAtCoder|Segment Tree-Problem Solving-Heap

E - Young Maids

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[AtCoder] E - Don`t Be a Subsequence|PSAtCoder|Problem Solving-Dynamic Programming

E - Don’t Be a Subsequence

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[Codeforces] Beta Round 78 (Div. 1 Only) A. Help Victoria the Wise|PSCodeforces|Problem Solving

Codeforces Beta Round 78 (Div. 1 Only) A. Help Victoria the Wise

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[Codeforces] Beta Round 79 (Div. 1 Only) B. Buses|PSCodeforces|Problem Solving-Lazy Propagation Segment Tree

Codeforces Beta Round 79 (Div. 1 Only) B. Buses

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[Codeforces] Beta Round 81 A. Transmigration|PSCodeforces|Problem Solving-Math

Codeforces Beta Round 81 A. Transmigration

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