[leetcode]4Sum @ Python
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 ...
原文：LeetCode 4Sum
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 a, ...
2012-10-27 18:21 0 3300 推荐指数：
相关推荐
[LeetCode] 18. 4Sum ☆☆
which gives the sum of target. Note: The solution ...
[LeetCode] 4Sum hash表
quadruplets in the array which gives the sum of target ...
[LeetCode] 18. 4Sum 四数之和
which gives the sum of target. Note: Elements ...
LeetCode:3Sum, 3Sum Closest, 4Sum
3Sum Closest Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum ...
[LeetCode] 454. 4Sum II 四数之和之二
Given four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are suc ...
Two Sum-----LeetCode
Given an array of integers, find two numbers such that they add up to a specific target number. The ...
Two Sum leetcode java
题目: Given an array of integers, find two numbers such that they add up to a specific target number ...