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Given a sequence of positive numbers, a segment is defined to be a consecutive subsequence. For example, given the sequence { 0.1, 0.2, 0.3, 0.4 }, we 阅读全文
posted @ 2018-08-22 21:48
lypbendlf
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问题:如何求一个数二进制中的1的个数? 转自:https://blog.csdn.net/smile_zhangw/article/details/79532119 1.首先需要明确的是,一个数,可为正可为负,对正数来说,可以使用&1,>>1的操作; 但是对于负数来说,负数在内存中存在的是补码,如果 阅读全文
posted @ 2018-08-22 20:03
lypbendlf
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转自:https://blog.csdn.net/flushhip/article/details/79165701#commentBox 1.首先其中讲到了一个问题,就是如何求一个数的二进制表示的最末位的1. 用这个即可。假设x=5,那么x的二进制就是0101,-x的二进制1011.(负数补码是除 阅读全文
posted @ 2018-08-22 18:19
lypbendlf
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1057 Stack (30)(30 分) Stack is one of the most fundamental data structures, which is based on the principle of Last In First Out (LIFO). The basic ope 阅读全文
posted @ 2018-08-22 15:52
lypbendlf
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A family hierarchy is usually presented by a pedigree tree where all the nodes on the same level belong to the same generation. Your task is to find t 阅读全文
posted @ 2018-08-22 14:06
lypbendlf
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