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Two Sum III - Data structure design
Design and implement a TwoSum class. It should support the following operations:addandfind.add- Add the number to an internal data structure.find- Fin...
分类:其他好文   时间:2015-01-19 15:39:47    阅读次数:195
Leetcode#1 Two Sum
原题地址方法I:辅助数据结构用一个map保存遇到的值和位置,最直观的想法。遍历numbers,对于每个元素numbers[i]:如果在map中找到了target-numbers[i],说明找到了这两个数字,算法结束否则,将numbers[i]和所在位置i加入map中时间复杂度O(n),空间复杂度O(...
分类:其他好文   时间:2015-01-18 14:16:53    阅读次数:197
[leetCode][013] Two Sum 2
题目: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 functi...
分类:其他好文   时间:2015-01-15 21:51:33    阅读次数:159
[leetCode][012] Two Sum (1)
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...
分类:其他好文   时间:2015-01-15 21:35:19    阅读次数:115
[LeetCode]1.Two Sum
【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 t...
分类:其他好文   时间:2015-01-15 12:57:02    阅读次数:174
Two Sum
https://oj.leetcode.com/problems/two-sum/Given an array of integers, find two numbers such that they add up to a specific target number.The function t...
分类:其他好文   时间:2015-01-13 14:07:07    阅读次数:130
LeetCode题解 || Two Sum问题
question: 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 ...
分类:其他好文   时间:2015-01-13 10:32:21    阅读次数:139
[LeetCode][Python]Tow Sum
# -*- coding: utf8 -*-'''https://oj.leetcode.com/problems/two-sum/Given an array of integers, find two numbers such that they add up to a specific tar...
分类:编程语言   时间:2015-01-12 00:23:44    阅读次数:391
LeetCode实践之一 Two Sum
题目描述:  The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note that your returned answers (both index1 and...
分类:其他好文   时间:2015-01-06 00:54:53    阅读次数:171
[Leetcode] 1 - Two Sum
原题链接:https://oj.leetcode.com/problems/two-sum/ 撇开暴力破解,这道题有众所周知的两种做法: 1. 先排序,再一前一尾双指针。这种方法要注意的是,排序时需要保存原来的index,这样的话其实是一个有着value和index的结构体基于value的排序。 2. 直接hash。这道题需要注意的是,如果数组有两个相同元素,但是仍然构成唯一解。比如...
分类:其他好文   时间:2015-01-05 14:54:31    阅读次数:190
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