[Codeforces] Round #221 (Div. 1) A. Divisible by Seven|PSCodeforces|Problem Solving-Math-Ad-hoc

Codeforces Round #221 (Div. 1) A. Divisible by Seven

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[Codeforces] Round #222 (Div. 1) A. Maze|PSCodeforces|Problem Solving-BFS

Codeforces Round #222 (Div. 1) A. Maze

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[Codeforces] Round #223 (Div. 1) A. Sereja and Prefixes|PSCodeforces|Problem Solving-Binary Search-Prefix Sum

Codeforces Round #223 (Div. 1) A. Sereja and Prefixes

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[Codeforces] Round #225 (Div. 1) A. Milking cows|PSCodeforces|Problem Solving-Greedy-Array

Codeforces Round #225 (Div. 1) A. Milking cows

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[CodeChef] College Life 4|PSCodeChef|Problem Solving-Math

College Life 4

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[CodeChef] Product of divisors|PSCodeChef|Problem Solving-Sieve of Eratosthenes

Product of divisors

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[CodeChef] Circle of death|PSCodeChef|Problem Solving-Geometry

Circle of death

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[CodeChef] Chef and Strange Operations|PSCodeChef|Problem Solving-Math

Chef and Strange Operations

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[CodeChef] Maze of Digits|PSCodeChef|Problem Solving-BFS

Maze of Digits

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[AtCoder] F - Max Matrix|PSAtCoder|Segment Tree-Problem Solving

F - Max Matrix

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