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Problem DescriptionGive you a lot of positive integers, just to find out how many prime numbers there are.InputThere are a lot of cases. In each case,... 阅读全文
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Problem Description还记得汉诺塔III吗?他的规则是这样的:不允许直接从最左(右)边移到最右(左)边(每次移动一定是移到中间杆或从中间移出),也不允许大盘放到小盘的上面。xhd在想如果我们允许最大的盘子放到最上面会怎么样呢?(只允许最大的放在最上面)当然最后需要的结果是盘子从小到大... 阅读全文
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Problem DescriptionThe most important part of a GSM network is so called Base Transceiver Station (BTS). These transceivers form the areas called cell... 阅读全文