Given two integersnandk, return all possible
combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution
is:[ [2,4], [3,4], [2,3],...
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其他好文 时间：
2014-05-14 03:54:40
阅读次数：
250
在学javacc的时候，发现一个问题，见下：
Example.jj文件
PARSER_BEGIN(Example)
public class Example {
public static void main(String args[]) throws ParseException {
Example parser = new Example(System.in);
...
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编程语言 时间：
2014-05-14 01:25:59
阅读次数：
367
Given an array, for example, 246135, an inversion pair is the pair whose first value is larger than its second value according to the sequence from left to right, (2,1) (4,1) (4,3) (6,1) (6,3) (6,5)....
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其他好文 时间：
2014-05-13 08:03:58
阅读次数：
338
1、
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Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,
"A man, a plan, a canal: Panama" is a palindrom...
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其他好文 时间：
2014-05-13 07:06:35
阅读次数：
284
One Person Game
Time Limit: 1 Second Memory Limit: 32768 KB Special Judge
There is a very simple and interesting one-person game. You have 3 dice, namely Die1, Die2 and Die3. Die1 ha...
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其他好文 时间：
2014-05-13 06:06:00
阅读次数：
357
Fromtimetotime,peoplewantmetocreateLINUXinitscriptsforthem.Iusuallyjusttakeanexistingoneforanotherserviceandchangeituptoworkformynewapplication,butmostofthemhavebecomesolongthesedaysthatIenduphavingtohackoutatonofcodejusttoreducethemdowntotheverybasicscript..
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系统相关 时间：
2014-05-13 03:59:53
阅读次数：
306
Spiral MatrixGiven a matrix ofmxnelements
(mrows,ncolumns), return all elements of the matrix in spiral order.For
example,Given the following matrix:[...
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其他好文 时间：
2014-05-12 20:04:43
阅读次数：
268
Given an integern, generate a square matrix
filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should
return the following matri...
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其他好文 时间：
2014-05-12 19:53:23
阅读次数：
332
Whenyouexecuteaunixshell-scriptorcommandthattakesalongtime,youcanrunitasabackgroundjob.Inthisarticle,letusreviewhowtoexecuteajobinthebackground,bringajobtotheforeground,viewallbackgroundjobs,andkillabackgroundjob.1.ExecutingabackgroundjobAppendinganampersan..
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其他好文 时间：
2014-05-11 19:35:31
阅读次数：
484
题目链接：http://poj.org/problem?id=3468
A Simple Problem with Integers
Time Limit: 5000MS
Memory Limit: 131072K
Total Submissions: 56005
Accepted: 16903
Case Time Limit...
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其他好文 时间：
2014-05-11 18:40:16
阅读次数：
301
