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 推薦指數:
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 ...
原題地址:http://oj.leetcode.com/problems/4sum/ 題意:從數組中找到4個數,使它們的和為target。要求去重,可能有多組解,需要都找出來。 解題思路:一開始想要像3Sum那樣去解題,時間復雜度為O(N^3),可無論怎么寫都是Time Limited ...
which gives the sum of target. Note:Elements in a qua ...
排序,從一個數開始遍歷,若該數大於0,后面的數不可能與其相加和為0,所以跳過;否則該數可能是滿足要求的第一個數 ...
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 ...