The trade off should be considered:In fact, there has to be one operation s time complexity is O n and the other is O , no matter add or find. So clearly there s trade off when solve this problem, pr ...
2015-01-27 12:51 0 3245 推荐指数：
Design and implement a TwoSum class. It should support the following operations: add and find. add - Add the number to an internal data ...
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 ...
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 ...
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 ...
原题地址：http://oj.leetcode.com/problems/two-sum/ 题意：找出数组numbers中的两个数，它们的和为给定的一个数target，并返回这两个数的索引，注意这里的索引不是数组下标，而是数组下标加1。比如numbers={2,7,11,17}; target ...
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 ...
Problem: You are given a binary tree in which each node contains an integer value. Find the number of paths that sum to a given value. The path ...
LeetCode 1 Two Sum 解题报告 偶然间听见leetcode这个平台，这里面题量也不是很多200多题，打算平时有空在研究生期间就刷完，跟跟多的练习算法的人进行交流思想，一定的ACM算法积累可以对以后在对算法中优化带来好处。Ok，今天是我做的第一题Add Two Sum。 题目要求 ...
