11 2014 档案

Simplify Path
摘要：Given an absolute path for a file (Unix-style), simplify it.For example,path="/home/", =>"/home"path="/a/./b/../../c/", =>"/c"算法：根据/把path分割，再逐个判断publi... 阅读全文
posted @ 2014-11-24 22:36 bingtel 阅读(129) 评论(0) 推荐(0)
Pow(x, n)
摘要：Implement pow(x,n).public class Solution { public double pow(double x, int n) { //判断x是不是0 if(Math.abs(x-0)<0.0000001) retu... 阅读全文
posted @ 2014-11-23 19:53 bingtel 阅读(117) 评论(0) 推荐(0)
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 @ 2014-11-18 20:23 bingtel 阅读(133) 评论(0) 推荐(0)
Implement strStr()
摘要：Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.Update (2014-11-02):The si... 阅读全文
posted @ 2014-11-17 18:59 bingtel 阅读(130) 评论(0) 推荐(0)
4Sum
摘要：Given an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the sum of ... 阅读全文
posted @ 2014-11-15 20:02 bingtel 阅读(168) 评论(0) 推荐(0)
3Sum Closest
摘要：Given an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, target. Return the sum of the three integers. You m... 阅读全文
posted @ 2014-11-15 19:10 bingtel 阅读(141) 评论(0) 推荐(0)
3Sum
摘要：Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:Elemen... 阅读全文
posted @ 2014-11-15 18:18 bingtel 阅读(164) 评论(0) 推荐(0)
leetcode--Remove Nth Node From End of List
摘要：Given a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After re... 阅读全文
posted @ 2014-11-13 16:16 bingtel 阅读(137) 评论(0) 推荐(0)
leetcode--Partition List
摘要：Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the origi... 阅读全文
posted @ 2014-11-13 13:09 bingtel 阅读(116) 评论(0) 推荐(0)
leetcode--Linked List Cycle II
摘要：Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?算法：... 阅读全文
posted @ 2014-11-12 16:19 bingtel 阅读(152) 评论(0) 推荐(0)
leetcode--Sort Colors
摘要：Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, wh... 阅读全文
posted @ 2014-11-12 15:56 bingtel 阅读(135) 评论(0) 推荐(0)
leetcode--Remove Element
摘要：Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat... 阅读全文
posted @ 2014-11-12 14:18 bingtel 阅读(134) 评论(0) 推荐(0)
leetcode--Valid Palindrome
摘要：Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana... 阅读全文
posted @ 2014-11-12 14:04 bingtel 阅读(150) 评论(0) 推荐(0)
leetcode--Rotate List
摘要：Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4->5->NULLandk=2,return4->5->1->2->3->NULL.为了方便，... 阅读全文
posted @ 2014-11-12 14:01 bingtel 阅读(142) 评论(0) 推荐(0)