2019牛客暑期多校訓練(第五場)C-generator 2

2019牛客暑期多校訓練(第五場)C-generator 2 題目描述 There is a sequence of length n:x0,x1,x2,…,xn−1. Please answer Q queries. Each query consists of one integer v, asking the minimum index i such that xi=v. If the se
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