题目： Given a linked list, determine if it has a
cycle in it. Follow up: Can you solve it without using extra space?解题思路：
使用快慢指针，快指针每次走两步，慢指针每次走一步...
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其他好文 时间：
2014-05-16 05:19:21
阅读次数：
271
题目： 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 extr...
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其他好文 时间：
2014-05-16 04:50:13
阅读次数：
329
艾玛好歹也是云存储巨头, 好歹对数据读写要抱有起码的敬畏吧? 你错几个字节让用户情何以堪?
Check CRC你总该知道吧? MD5 or SHA1你也都知道吧? 文件传输完check一下不行么?
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其他好文 时间：
2014-05-15 16:37:57
阅读次数：
321
The Toy of Flandre Scarlet
Time Limit: 2 Seconds Memory Limit: 65536 KB
As you know, Flandre Scarlet loves her elder sister Remilia Scarlet, and of course, Remilia loves Flandre, too. B...
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其他好文 时间：
2014-05-15 07:06:45
阅读次数：
259
【题目】
原文：
1.6 Given an image represented by an NxN matrix, where each pixel in the image is 4 bytes, write a method to rotate the image by 90 degrees. Can you do this in place?
译文：
一张图像表示...
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其他好文 时间：
2014-05-15 05:43:35
阅读次数：
240
??
This is because forward declaration in C++: Compiler needs to know function prototype when function call is compiled. So, you need declare the called function first or place the called function be...
分类：
编程语言 时间：
2014-05-15 04:52:19
阅读次数：
211
【题目】
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 for better legibility)
P A H N
A P L S I I G
Y I R
And then read line by line: "PAHNAPLSI...
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其他好文 时间：
2014-05-15 04:30:57
阅读次数：
313
题目
Given a non-negative number represented as an array of digits, plus one to the number.
The digits are stored such that the most significant digit is at the head of the list.
解答
本题考察进位问题，注...
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其他好文 时间：
2014-05-15 04:16:56
阅读次数：
245
链接： http://soj.me/1732
Constraints
Time Limit: 1 secs, Memory Limit: 32 MB
Description：
Alice is a beautiful and clever girl. Bob would like to play with Alice.
One day, Alice got a very ...
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其他好文 时间：
2014-05-15 03:20:59
阅读次数：
383
老爷子心不老, 依然在勤勤恳恳地敲着书和代码...没错, 就是source code.
像老爷子这样的老一辈会用电脑的都不多, 而我亲爱的老爷子那是会Turbo Basic的顶尖高手啊...每次想到这个, 内心都倍感自豪...
当年的"窗口"编程极其繁琐, 如果不看看那一套, 再加上个, 都不保证能...
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其他好文 时间：
2014-05-14 13:38:42
阅读次数：
327
