摘要：
Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note:You may assume that nums1 has enough space (size tha 阅读全文
摘要：
Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. You may assume the integer do not contain any leadin 阅读全文
摘要：
Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [-2,1,-3,4,-1,2, 阅读全文
摘要：
Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or 阅读全文
摘要：
Given an array and a value, remove all instances of that value in place and return the new length. Do not allocate extra space for another array, you 阅读全文
摘要：
给定一个有序数组，原地删除重复元素，使得每个元素只出现一次，并返回新的长度。不为另一个数组分配额外空间，必须用常量内存做到这一点。 阅读全文
摘要：
题目：给定一个整型数组，返回两个数的下标，满足两个数相加为一个特定整数。假定只有一个正确答案 例如： nums = [2, 7, 11, 15], target = 9,因为nums[0] + nums[1] = 2 + 7 = 9,返回[0,1] 思路：如果是只返回两个数，可以将数组排序后，从两边 阅读全文