原文:[LeetCode] 633. Sum of Square Numbers 平方数之和

Given a non negative integerc, your task is to decide whether there re two integersaandbsuch that a b c. Example : Example : 这道题让我们求一个数是否能由平方数之和组成,刚开始博主没仔细看题,没有看到必须要是两个平方数之和,博主以为任意一个就可以。所以写了个带优化的递归解法 ...

2017-07-16 14:43 3 5390 推荐指数:

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LeetCode 15. 三之和(3Sum

排序,从一个开始遍历,若该大于0,后面的不可能与其相加和为0,所以跳过;否则该可能是满足要求的第一个 ...

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LeetCode OJ:Three Sum(三之和

Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum ...

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[LeetCode] 15. 3Sum之和

Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum ...

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[LeetCode] 1. Two Sum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 ...

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Leetcode#1.Two Sum(两之和

题目描述 给定一个整数数组和一个目标值,找出数组中和为目标值的两个数。 你可以假设每个输入只对应一种答案,且同样的元素不能被重复利用。 示例: 给定 nums = [2, 7, 11, 15] ...

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