myshuangwaiwai - 博客园

LeetCode 7 -- String to Integer (atoi)

摘要： Implementatoito convert a string to an integer.转换很简单，唯一的难点在于需要开率各种输入情况，例如空字符串，含有空格，字母等等。另外需在写的时候注意细节问题，完成后需要反复调试，整合。 1 public class Solution { 2 p... 阅读全文

posted @ 2015-05-18 17:07 myshuangwaiwai 阅读(132) 评论(0) 推荐(0)

LeetCode 6 -- ZigZag Conversion

摘要： The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo... 阅读全文

posted @ 2015-05-06 19:59 myshuangwaiwai 阅读(135) 评论(0) 推荐(0)

LeetCode 5 -- Longest Palindromic Substring

摘要： Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa... 阅读全文

posted @ 2015-05-05 22:06 myshuangwaiwai 阅读(156) 评论(0) 推荐(0)

LeetCode 4 -- Median of Two Sorted Arrays

摘要： There are two sorted arraysnums1andnums2of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should... 阅读全文

posted @ 2015-05-01 16:04 myshuangwaiwai 阅读(121) 评论(0) 推荐(0)

LeetCode 3 -- Longest Substring Without Repeating Characters

摘要： Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo... 阅读全文

posted @ 2015-04-30 14:33 myshuangwaiwai 阅读(131) 评论(0) 推荐(0)

Java技术文章收藏

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posted @ 2015-04-27 19:48 myshuangwaiwai 阅读(22) 评论(0) 推荐(0)

Java实现字符串反转的8种方法

摘要： 1 /** 2 * 3 */ 4 package com.wsheng.aggregator.algorithm.string; 5 6 import java.util.Stack; 7 8 /** 9 * 8 种字符串反转的方法, 其实可以是9种方法，第9种是... 阅读全文

posted @ 2015-04-27 16:45 myshuangwaiwai 阅读(1015) 评论(0) 推荐(0)

LeetCode 2 -- Add Two Numbers

摘要： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ... 阅读全文

posted @ 2015-04-26 21:29 myshuangwaiwai 阅读(126) 评论(0) 推荐(0)

LeetCode 1 -- Two Sum

摘要： 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... 阅读全文

posted @ 2015-04-21 11:37 myshuangwaiwai 阅读(118) 评论(0) 推荐(0)

LeetCode189——Rotate Array

摘要： Rotate an array ofnelements to the right byksteps.For example, withn= 7 andk= 3, the array[1,2,3,4,5,6,7]is rotated to[5,6,7,1,2,3,4].Note:Try to come... 阅读全文

posted @ 2015-04-16 15:28 myshuangwaiwai 阅读(85) 评论(0) 推荐(0)

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