【题目】
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 digit. Add the two numbers and return it as a linked list.
Input: (2 -> 4 -> 3) + (5 -> 6 -> 4)
Out...
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其他好文 时间：
2014-05-15 05:13:49
阅读次数：
306
【题目】
Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longest palindromic substring.
【题意】
题意是找出字符串S中最长回文子串，S最长为1000，保证有唯一解
【思路】
原字符串用特殊字符#间隔，如下所示：
#a...
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其他好文 时间：
2014-05-15 03:31:25
阅读次数：
299
戳我去解题You are climbing a stair case. It
takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In
how many distinct ways can you ...
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其他好文 时间：
2014-05-15 01:55:06
阅读次数：
251
Description
Businesses like to have memorable telephone numbers. One way to make a telephone number memorable is to have it spell a memorable word or phrase. For example, you can call the Universit...
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其他好文 时间：
2014-05-15 00:20:39
阅读次数：
332
Linked List CycleGiven a linked list, determine
if it has a cycle in it.Follow up:Can you solve it without using extra
space?做完Linked List Cycle II在做这...
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其他好文 时间：
2014-05-14 23:30:00
阅读次数：
399
Best Time to Buy and Sell Stock1Say you have an
array for which theithelement is the price of a given stock on dayi.If you were
only permitted to comp...
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其他好文 时间：
2014-05-14 22:36:11
阅读次数：
353
#include
#include
void main(int argc,char *argv[])
{
FILE *in,*out;
if(argc!=3)
{
printf("you forgot to enter a file name\n");
exit(0);
}
if((in=fopen(argv[1],"r"))==NULL)
{
printf("cannot...
分类：
编程语言 时间：
2014-05-14 21:37:56
阅读次数：
321
描述把文本读出的API，在手机上测试知识支持英文，中文库应该没有所以不支持
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file exce...
分类：
移动开发 时间：
2014-05-14 21:34:49
阅读次数：
435
【题目】
Implement atoi to convert a string to an integer.
Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible input cases.
Notes: It is intended for this problem to be s...
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其他好文 时间：
2014-05-14 21:00:57
阅读次数：
304
Total Accepted: 8400 Total Submissions: 38235 My Submissions
Say you have an array for which the ith element is the price of a given stock on day i.
Design an algorithm to find the maximum profi...
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其他好文 时间：
2014-05-14 19:39:53
阅读次数：
275
