曾见绝美的阳光

摘要： 1.题目描述Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space to hold additional elements from B. The number of elements initialized in A and B are m and n respectively.2.解法分析这道题是归并排序的变种，我们知道，归并那一步应该是要有一个O(N+M)的辅助数组的，由于题目中说可以假设A有足够的空间来容 阅读全文

摘要： 1.题目描述 Given an unsorted integer array, find the first missing positive integer. For example, Given ... 阅读全文

摘要： 1.题目描述 Divide two integers without using multiplication, division and mod operator. 2.解法分析 不用乘除求模运算，一个很容易让人想到的就是用... 阅读全文

摘要： 1.题目描述 Implement strStr(). Returns a pointer to the first occurrence of needle in haystack, or null if needle is ... 阅读全文

摘要： 1.题目描述 Given an array and a value, remove all instances of that value in place and return the new length. The ord... 阅读全文