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],...
分类:
其他好文 时间:
2014-05-14 03:54:40
阅读次数:
250
下面为您介绍的语句用于实现Oracle查询用户所有表,如果您对oracle查询方面感兴趣的话,不妨一看。select * from
all_tab_comments -- 查询所有用户的表,视图等select * from user_tab_comments --
查询本用户的表,视图等select...
分类:
数据库 时间:
2014-05-12 11:18:14
阅读次数:
362
题目描述Jim is boss of a big company . There are so
many workers in his company that it will take a long time for his command send
to all of his workers ....
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其他好文 时间:
2014-05-12 04:51:29
阅读次数:
307
1、
??
Surrounded Regions
Given a 2D board containing 'X' and 'O',
capture all regions surrounded by 'X'.
A region is captured by flipping all 'O's into 'X's
in that surrounded region.
For e...
分类:
其他好文 时间:
2014-05-11 18:52:32
阅读次数:
293
1.给root账户授权所有sql权限
grant all privileges on *.* to root@"%" identified by ".";flush privileges;
2.建立bat批处理文件
@echo off
set path=%path%;D:\Program Files\MySQL\MySQL Server 5.5\bin
set y=%date:~0,4%
s...
分类:
数据库 时间:
2014-05-11 03:11:33
阅读次数:
406
原题链接:http://acm.csu.edu.cn/OnlineJudge/problem.php?id=1424
逐渐找到做这种题的感觉了。 二分法。g[i][j]存储坐标(i, j)的值,s[i][j]存储的值为左上角为起始点(1,1),右下角为(i,
j)的矩形区域内所有值的和,那么...
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其他好文 时间:
2014-05-10 22:55:11
阅读次数:
347
题目描述There is a grid size of 1*N. The spanning tree
of the grid connects all the vertices of the grid only with the edges of the
grid, and every vertex...
分类:
其他好文 时间:
2014-05-10 19:00:03
阅读次数:
337
A very early version of a software product that may
not contain all of the features that are planned for the final version.
Typically,softwaregoes t.....
分类:
其他好文 时间:
2014-05-10 18:26:14
阅读次数:
517
关于INSERT ALL和INSERT FIRST 一、无条件 INSERT ALL 二、条件
INSERT ALL 三、条件 INSERT FIRST Insert…Select 使用Insert Select实现同时向多个表插入记录 一、无条件
INSERT ALL --------------...
分类:
数据库 时间:
2014-05-10 07:35:01
阅读次数:
306
linux权限及ntfs文件系统权限的知识
文件的权限:
[-dcbps][u:rwx][g:rwx][a:rwx]
其中: r=4, w=2, x=1, u=owner, g=group, a=all user
d=dir, -=file, l=symbolic link, p=pipe,
c=character device...
分类:
系统相关 时间:
2014-05-10 04:41:09
阅读次数:
511