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Problem Description Bob accidentally spilled some drops of ink on the paper. The initial position of the i-th drop of ink is (xi,yi), which expands ou 阅读全文
posted @ 2021-08-12 20:56
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Problem Description Alice and Bob are playing a game. They take turns to operate. There are n numbers, a1 , a2 , ... , an. Every time, the player play 阅读全文
posted @ 2021-08-12 17:45
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Problem Description Eric is playing a game on an infinite plane. On the plane, there is a circular area with radius r1 called the Scoring Area. Every 阅读全文
posted @ 2021-08-12 17:23
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链接：https://ac.nowcoder.com/acm/contest/11256/D 来源：牛客网 题目描述 Given two strings A,BA,B, and little H wants to choose a subsequence from {1,2,⋯ ,∣A∣}{1,2, 阅读全文
posted @ 2021-08-12 01:44
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