[HackerEarth] Roger is a robot. He has n different arms. Currently, his arms are extended out on a 1 dimensional line. The i-th arm is currently extended ai units to the right. It is guaranteed that 0 - 题解

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题目信息
题号 P20544
标题 [HackerEarth] Roger is a robot. He has n different arms. Currently, his arms are extended out on a 1 dimensional line. The i-th arm is currently extended ai units to the right. It is guaranteed that 0
难度 提高
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