[AtCoder] C - +/- Rectangle|PSAtCoder|Problem Solving-Greedy

C - +/- Rectangle

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[AtCoder] E - Connected?|PSAtCoder|Sorting-Problem Solving-Monotonic Stack

E - Connected?

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[Codeforces] Yandex.Algorithm Open 2011: Qualification 1 B. Sequence Formatting|PSCodeforces|Problem Solving

Yandex.Algorithm Open 2011: Qualification 1 B. Sequence Formatting

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[Codeforces] Yandex.Algorithm Open 2011: Qualification 1 C. Average Score|PSCodeforces|Sorting-Problem Solving

Yandex.Algorithm Open 2011: Qualification 1 C. Average Score

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[Codeforces] Yandex.Algorithm 2011: Qualification 2 B. Sets|PSCodeforces|Problem Solving-Greedy

Yandex.Algorithm 2011: Qualification 2 B. Sets

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[Codeforces] Beta Round 72 (Div. 2 Only) C. Biathlon|PSCodeforces|Problem Solving-Binary Search-Geometry

Codeforces Beta Round 72 (Div. 2 Only) C. Biathlon

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[Codeforces] Beta Round 76 (Div. 1 Only) A. Frames|PSCodeforces|Problem Solving

Codeforces Beta Round 76 (Div. 1 Only) A. Frames

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[CS Academy] Check DFS|PSCS Academy|Problem Solving-DFS

Check DFS

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[CS Academy] Celsius to Fahrenheit|PSCS Academy|Problem Solving

Celsius to Fahrenheit

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[CS Academy] Base K Xor|PSCS Academy|Problem Solving-Math

Base K Xor

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