[AtCoder] F - Make Pair|PSAtCoder|Problem Solving-Dynamic Programming

F - Make Pair

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[AtCoder] F - Blocked Roads|PSAtCoder|Problem Solving-Graph Theory-BFS

F - Blocked Roads

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[AtCoder] C - Maximize GCD|PSAtCoder|Problem Solving-Math-Prefix Sum

C - Maximize GCD

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[AtCoder] F - Expensive Expense|PSAtCoder|Problem Solving-Graph Theory-DFS-Greedy

F - Expensive Expense

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[AtCoder] E - Moat|PSAtCoder|Problem Solving-Bit Manipulation-Union Find

E - Moat

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[Codeforces] Round #293 (Div. 2) C. Anya and Smartphone|PSCodeforces|Problem Solving-Hash Table-Simulation

Codeforces Round #293 (Div. 2) C. Anya and Smartphone

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[Codeforces] VK Cup 2015 - Qualification Round 2 D. Statistics of Recompressing Videos|PSCodeforces|Problem Solving-Heap

VK Cup 2015 - Qualification Round 2 D. Statistics of Recompressing Videos

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[Codeforces] Round #297 (Div. 2) C. Ilya and Sticks|PSCodeforces|Sorting-Problem Solving-Greedy

Codeforces Round #297 (Div. 2) C. Ilya and Sticks

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[Codeforces] Round #298 (Div. 2) C. Polycarpus` Dice|PSCodeforces|Problem Solving-Math

Codeforces Round #298 (Div. 2) C. Polycarpus’ Dice

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[Codeforces] Round #300 C. Tourist`s Notes|PSCodeforces|Problem Solving-Math-Greedy

Codeforces Round #300 C. Tourist’s Notes

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