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LeetCode第一题以及时间复杂度的计算
问题描述:给定一组指定整数数组,找出数组中加和等于特定数的两个数。 函数(方法)twoSum返回这两个数的索引,index1必须小于index2。 另外:你可以假设一个数组只有一组解。 一个栗子: Input: numbers={2, 7, 11, 15}, t...
分类:其他好文   时间:2016-01-25 22:46:04    阅读次数:274
LeetCode 1: Two Sum
LeetCode 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 ...
分类:其他好文   时间:2016-01-13 21:31:09    阅读次数:154
Two Sum leetcode
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...
分类:其他好文   时间:2016-01-04 22:35:29    阅读次数:248
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:2016-01-01 12:56:33    阅读次数:192
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 nu...
分类:其他好文   时间:2015-12-31 00:10:25    阅读次数:197
LeetCode -1 two sum
自己的C#代码(第一次接触哈希表,运行很费时,还没有被accept,先放这等着回去研究):public class Solution { public int[] TwoSum(int[] nums, int target) { int index2 = 0; in...
分类:其他好文   时间:2015-12-28 15:41:57    阅读次数:151
Two Sum
1 var twoSum = function(nums, target) { 2 var len = nums.length, 3 i = 0, 4 hash = {}, 5 res = [], 6 t1, t2; 7 8...
分类:其他好文   时间:2015-12-24 20:40:58    阅读次数:154
LeetCode Two Sum
原题链接在这里:https://leetcode.com/problems/two-sum/Time Complexity: O(n). Space: O(n).AC Java: 1 public class Solution { 2 public int[] twoSum(int[] nu...
分类:其他好文   时间:2015-12-12 07:04:55    阅读次数:151
[lintcode medium] Two sum
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...
分类:其他好文   时间:2015-12-11 06:51:19    阅读次数:117
Two Sum
public class Solution { public int[] twoSum(int[] nums, int target) { /* Basic idea: Load the array into a hashMap with the value of each a...
分类:其他好文   时间:2015-12-09 13:45:40    阅读次数:120
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