CodesKiller - 博客园

2017年1月28日

摘要： Given four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are such that A[i] + B[j] + C[k] + D[l] is zero. To make pro 阅读全文

posted @ 2017-01-28 04:04 CodesKiller 阅读(190) 评论(0) 推荐(0) 编辑

18. 4Sum

摘要： 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 whic 阅读全文

posted @ 2017-01-28 03:10 CodesKiller 阅读(124) 评论(0) 推荐(0) 编辑

16. 3Sum Closest

摘要： 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 integers. 阅读全文

posted @ 2017-01-28 02:46 CodesKiller 阅读(102) 评论(0) 推荐(0) 编辑

2017年1月27日

259. 3Sum Smaller

摘要： Given an array of n integers nums and a target, find the number of index triplets i, j, k with 0 <= i < j < k < n that satisfy the condition nums[i] + 阅读全文

posted @ 2017-01-27 15:03 CodesKiller 阅读(92) 评论(0) 推荐(0) 编辑

15. 3Sum

摘要： 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 of 阅读全文

posted @ 2017-01-27 14:09 CodesKiller 阅读(110) 评论(0) 推荐(0) 编辑

170. Two Sum III - Data structure design

摘要： Design and implement a TwoSum class. It should support the following operations: add and find. add - Add the number to an internal data structure.find 阅读全文

posted @ 2017-01-27 12:04 CodesKiller 阅读(171) 评论(0) 推荐(0) 编辑

167. Two Sum II - Input array is sorted

摘要： Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target number. The function 阅读全文

posted @ 2017-01-27 08:32 CodesKiller 阅读(112) 评论(0) 推荐(0) 编辑

1. Two Sum

摘要： 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 have ex 阅读全文

posted @ 2017-01-27 08:07 CodesKiller 阅读(153) 评论(0) 推荐(0) 编辑

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