[AtCoder] D - Only one of two|PSAtCoder|Problem Solving-Binary Search-Euclidean Algorithm

D - Only one of two

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[AtCoder] E - Mancala 2|PSAtCoder|Problem Solving-Lazy Propagation Segment Tree

E - Mancala 2

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[AtCoder] E - Smooth Subsequence|PSAtCoder|Segment Tree-Problem Solving

E - Smooth Subsequence

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[AtCoder] B - Arithmetic Progression Subsequence|PSAtCoder|Problem Solving-Dynamic Programming

B - Arithmetic Progression Subsequence

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[AtCoder] E - Bad Juice|PSAtCoder|Problem Solving-Bit Manipulation

E - Bad Juice

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[AtCoder] D - Pyramid|PSAtCoder|Problem Solving-Dynamic Programming-Greedy

D - Pyramid

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[AtCoder] C - Socks 2|PSAtCoder|Problem Solving-Dynamic Programming-Greedy

C - Socks 2

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[AtCoder] E - Christmas Color Grid 1|PSAtCoder|Problem Solving-Math-Union Find

E - Christmas Color Grid 1

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[AtCoder] E - Takahashi Quest|PSAtCoder|Problem Solving-Greedy

E - Takahashi Quest

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[AtCoder] D - Swapping Puzzle|PSAtCoder|Problem Solving

D - Swapping Puzzle

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