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Given two strings s and t, determine if they are isomorphic.Two strings are isomorphic if the characters in s can be replaced to get t.All occ... 阅读全文
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今天看了一个华为西安研究院的一个女生代码大神的总结很有感悟，下面这句话送给大家：只有好的程序员才能写出人类可以理解的代码You are a professional robber planning to rob houses along a street. Each house ha... 阅读全文
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实现效果：这个其实是一个非常常见的功能，大家都会考虑给自己简单的工程做一个背景界面。其实只要在view类中重载OnEraseBkgnd（）这个函数就好了。代码如下：BOOL CdddView::OnEraseBkgnd(CDC* pDC){ // TODO: 在此添加消息处理程... 阅读全文
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Reverse bits of a given 32 bits unsigned integer.For example, given input 43261596 (represented in binary as 00000010100101000001111010011100)... 阅读全文
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Rotate an array of n elements to the right by k steps.For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,... 阅读全文
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Given an integer n, return the number of trailing zeroes in n!.Note: Your solution should be in logarithmic time complexity.解决思路： 决定阶乘末尾零的个数其实... 阅读全文
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Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times.You may assume t... 阅读全文
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Compare two version numbers version1 and version2. If version1 > version2 return 1, if version1 22; return 1.Example2: version1==”11.22.33”,... 阅读全文
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Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists: A: ... 阅读全文
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Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. • push(x) – Push element x onto stack. • p... 阅读全文