which gives the sum of target. Note: The solution ...
Given an array S of n integers, are there elements a, b, c, and d in S such that a b c d target Find all unique quadruplets in the array which gives the sum of target. Note: Elements in a quadruplet ...
2015-05-19 23:28 14 28671 推荐指数:
which gives the sum of target. Note: The solution ...
Given four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are suc ...
原题地址:http://oj.leetcode.com/problems/4sum/ 题意:从数组中找到4个数,使它们的和为target。要求去重,可能有多组解,需要都找出来。 解题思路:一开始想要像3Sum那样去解题,时间复杂度为O(N^3),可无论怎么写都是Time Limited ...
which gives the sum of target. Note:Elements in a qua ...
排序,从一个数开始遍历,若该数大于0,后面的数不可能与其相加和为0,所以跳过;否则该数可能是满足要求的第一个数 ...
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 ...
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 ...
Given an array of integers, return indices of the two numbers such that they add up to a specific ...