今天开始,每天一道LeetCode!Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return ind...
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其他好文 时间:
2015-04-04 16:29:51
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108
I 非排好序,最快O(n), 用hashmap解决public class Solution { public int[] twoSum(int[] numbers, int target) { int[] res = new int[2]; HashMap h...
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其他好文 时间:
2015-04-04 07:54:58
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138
题目:
Given an array of integers, find two numbers such that they add up to a specific target number.
The function twoSum should return indices of the two numbers such that they add up to the targ...
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其他好文 时间:
2015-04-03 21:08:43
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158
Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu...
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其他好文 时间:
2015-04-02 13:12:14
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126
preface:leetcode练习
question:1.Two Sum
Given an array of integers, find two numbers such that they add up to a specific target number.
The function twoSum should return indices of the two numb...
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编程语言 时间:
2015-04-01 17:42:22
阅读次数:
170
题意:求出某个数组中的两个数值的和等于一个固定的target的该两个数值的下标,按从小到大的顺序.
解题思路:
1: 直接暴力遍历 复杂度O(n*n) 超时
2:先排序,再遍历 增加了空间复杂度,时间复杂度为O(N+N*log(N)+N)
3:有人建议用HashMap但是如果有重复数据就应该是不成立的,思路二的解法如下:
public int[] twoSum(int[] num...
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其他好文 时间:
2015-03-31 22:26:42
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181
Given an array of integers, find two numbers such that they add up to a specific target number.
The function twoSum should return indices of the two numbers such that they add up to the target, whe...
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其他好文 时间:
2015-03-31 09:17:23
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141
题目:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two...
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其他好文 时间:
2015-03-30 20:38:15
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122
标题:Two Sum通过率:17.9%难度:中等Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should retu...
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其他好文 时间:
2015-03-28 21:32:14
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110
Two SumGiven an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the...
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其他好文 时间:
2015-03-21 19:49:32
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121