【LeetCode】Two Sum(两数之和)

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[LeetCode] Two Sum 两数之和

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…

LeetCode刷题 1. Two Sum 两数之和详解 C++语言实现 java语言实现

1. Two Sum 两数之和 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. Example: Given nums…

【LeetCode】1. Two Sum 两数之和

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 个人公众号:负雪明烛本文关键词:two sum, 两数之和,题解,leetcode, 力扣,Python, C++, Java 目录题目描述题目大意解题方法字典+两次遍历字典+一次遍历双指针日期题目地址:https://leetcode.com/problems/two-sum/#/description 题目描述 Given an array of integers,…

每日一道 LeetCode (1)：两数之和

引言前段时间看到一篇刷 LeetCode 的文章,感触很深,我本身自己上大学的时候,没怎么研究过算法这一方面,导致自己直到现在算法都不咋地. 一直有心想填补下自己的这个短板,实际上又一直给自己找理由各种推脱. 结果今天晚上吃多了,下定决心要刷一波 LeetCode 的题,刷题的过程顺便写点文章分享下(其实有很好的督促作用). LeetCode 的背景啥的我就不多介绍了,我计划只刷简单难度和中等难度的题,据说刷了这两个难度基本上就够了,至于困难这个难度,先等我把前两个部分刷完再说. 大致聊一下刷…

Leetcode系列之两数之和

Leetcode系列之两数之和给定一个整数数组 nums 和一个目标值 target,请你在该数组中找出和为目标值的那两个整数,并返回他们的数组下标.你可以假设每种输入只会对应一个答案.但是,你不能重复利用这个数组中同样的元素.示例:给定 nums = [2, 7, 11, 15], target = 9因为 nums[0] + nums[1] = 2 + 7 = 9所以返回 [0, 1]链接:https://leetcode-cn.com/problems/two-sum/ Python…

[LeetCode] 1. Two Sum 两数之和

Part 1. 题目描述 (easy) 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. Example: Given n…