[AtCoder] C - Linear Approximation|PSAtCoder|Problem Solving-Ternary Search

C - Linear Approximation

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[AtCoder] D - Islands War|PSAtCoder|Problem Solving-Greedy-Line Sweeping

D - Islands War

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[AtCoder] C - Modulo Summation|PSAtCoder|Problem Solving-Greedy-Numeric Theory

C - Modulo Summation

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[AtCoder] D - AtCoder Express 2|PSAtCoder|Problem Solving-Dynamic Programming

D - AtCoder Express 2

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[AtCoder] C - To Infinity|PSAtCoder|Problem Solving-Greedy

C - To Infinity

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[Codeforces] Round #128 (Div. 2) C. Photographer|PSCodeforces|Sorting-Problem Solving-Greedy

Codeforces Round #128 (Div. 2) C. Photographer

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[Codeforces] Round #125 (Div. 1) B. Jumping on Walls|PSCodeforces|Problem Solving-BFS

Codeforces Round #125 (Div. 1) B. Jumping on Walls

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[Codeforces] Round #124 (Div. 2) B. Limit|PSCodeforces|Problem Solving-Math-Euclidean Algorithm-Numeric Theory

Codeforces Round #124 (Div. 2) B. Limit

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[Codeforces] Round #129 (Div. 2) B. Little Elephant and Sorting|PSCodeforces|Problem Solving-Greedy

Codeforces Round #129 (Div. 2) B. Little Elephant and Sorting

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[Codeforces] Round #811 (Div. 3) E. Add Modulo 10|PSCodeforces|Problem Solving-Graph Theory-Hash Table-Math-Numeric Theory

Codeforces Round #811 (Div. 3) E. Add Modulo 10

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