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 of the three ...
求和為指定值的三個數,麻煩的一點是,結果的集合不能有重復的。主要思路有兩個,一個是在求值過程中過濾去重,還有一個是用hash。當然不能偷懶直接用set lt vector lt int gt gt ,這樣會直接超時。 Dedup directly, LeetCode Judge Large, milli secs. vector lt vector lt int gt gt three sum ...
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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 of the three ...
原題地址:http://oj.leetcode.com/problems/3sum/ 題意:從一個數組中找到三個數,使這三個數的和為0。有可能存在多組解,也有可能存在重復的解,所以需要去重。比如:num=[-1,0,1,2,-1,-4];那么存在兩組解:[[-1,0,1],[-1,-1,2 ...
Problem Description: Given an array of n integers nums and a target, find the number of index tripl ...
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 ...
原題地址:http://oj.leetcode.com/problems/3sum-closest/ 題意:數組中每三個元素進行求和,找出所有和中大小最接近target的和,並返回這個和與target之間的差值。 解題思路:使用一個變量mindiff來監測和與target之間的差值,如果差值 ...
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 ...
題目: 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 of the three ...
3Sum 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 ...