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Long time ago , Kitty lived in a small village. The air was fresh and the scenery was very beautiful. The only thing that troubled her is the typhoon. 阅读全文
posted @ 2018-04-19 21:24
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Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A <= B <= 1,0 阅读全文
posted @ 2018-04-08 20:53
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Coin Game After hh has learned how to play Nim game, he begins to try another coin game which seems much easier. The game goes like this: Two players 阅读全文
posted @ 2018-03-28 22:41
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Time Limit: 2000 ms Memory Limit: 131072 KiB Problem Description Some aliens are learning English. They have a very strange way in writing that they r 阅读全文
posted @ 2018-03-22 23:08
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Time Limit: 2000MS Memory limit: 65536K 题目描述 In computer science, a binary tree is a tree data structure in which each node has at most two children. 阅读全文
posted @ 2018-03-22 22:50
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