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DescriptionFew know that the cows have their own dictionary withW(1 ≤W≤ 600) words, each containing no more 25 of the characters 'a'..'z'. Their cowmu... 阅读全文
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Description在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。Input输入含有多组测试数据。每组数据的第一行是两个正整数，n k，用一个空... 阅读全文
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Problem DescriptionAfter enjoying the movie,LeLe went home alone. LeLe decided to build blocks. LeLe has already builtnpiles. He wants to move some bl... 阅读全文
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Problem Description现在有一些被简单压缩的字符串，例如:a[120]代表120个a。对于字符串acb[3]d[5]e相对于acbbbddddde现在给你两个字符串cString, nString.一个是被压缩过的字符串,另一个没有被压缩。求nString是否为cString的子串，... 阅读全文
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DescriptionThe Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to... 阅读全文