Description Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution, and you may not use the same element twice. 题意 给定一个数组,和一个定值,找出数组元素的两…

Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution. Example: Given nums = [2, 7, 11, 15], target = 9, Because nums[0] + nums[1] = 2…

题目: Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note t…

class Solution { public: vector<int> twoSum(vector<int>& nums, int target) { vector<int>result; int i,j,k; map<int,int>h; ;i<nums.size();i++) { if(!h.count(nums[i])) h[nums[i]]=i+; k=h[target-nums[i]]; &&k!=i+) { res…

代码的(判断nums[i]或者是target-nums[i]都可以):…

LeetCode: 1. twoSum 题目描述 Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution. Example: Given nums = [2, 7, 11, 15], target = 9, Becau…

LeetCode 算法题解 js 版 (001 Two Sum) 两数之和 https://leetcode.com/problems/two-sum/submissions/ https://leetcode-cn.com/problems/two-sum/submissions/ 1. 暴力解法 Time complexity: O(n**2) Space complexity: O(n) "use strict"; /** * @author xgqfrms * @descrip…

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今天注册了大名鼎鼎的LeetCode,做了一道最简单的算法题目: Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution. Example: Given nums = [2, 7, 11, 15], target =…