23.7% 1000ms 262144K To seek candies for Maomao, Dudu comes to a maze. There are nn rooms numbered from 11 to nn and mm undirected roads. There are tw ...
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其他好文 时间:
2019-09-15 01:03:26
阅读次数:
100
MySQL is adding more tools to monitor its internals with every new release, but one thing it still lacks is a way to find out who is locking what, and ...
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数据库 时间:
2019-09-14 00:16:00
阅读次数:
197
"传送门" A. Who is better? 扩展中国剩余定理+斐波那契博弈,没啥好说的,关于斐波那契博弈,详见: "传送门" Code cpp include typedef long long ll; typedef unsigned long long ull; typedef double ...
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其他好文 时间:
2019-09-13 19:26:48
阅读次数:
102
A game on an?undirected?graph is played by two players, Mouse and Cat, who alternate turns. The graph is given as follows: is a list of all nodes such ...
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其他好文 时间:
2019-09-13 01:29:43
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109
Su 切换用户 查看当前登录的用户:whoami、id 查看当前用户属于哪个组:groups 查看当前计算机中有几个组:cat /etc/group Groupadd 组名 添加组 Groupsdel 组名 删除组 avahi:x:122: colord:x:123: geoclue:x:124: ...
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系统相关 时间:
2019-09-12 13:44:04
阅读次数:
124
常用命令 dir:列出当前目录下的所有文件 clc:清除命令窗 clear all:清除环境(从内存中清除所有变量) who:将内存中的当前变量以简单形式列出 close all: 关闭所有的 Figure 窗口 变量设置 (1).变量命名 MATLAB 的变量名以字母打头,后最多可跟 19 个字母 ...
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其他好文 时间:
2019-09-12 10:22:07
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126
如何让history命令显示日期-时间-登录IP-用户名 修改: vim /etc/bashrc 在文件最后面加入如下两行: USER_IP=`who -u am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'` export HISTTIME ...
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其他好文 时间:
2019-09-10 20:48:25
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115
COMP 5416 Assignment 1 (2019)Due: 7/Sep/2019 23:59Question 1 (Delay). As shown in the figure below, a file of size F = 1000 bytes is transmitted on an ...
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其他好文 时间:
2019-09-09 19:26:43
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58
RobotsGiven a directed graph with no loops which starts at node 11 and ends at node nn.There is a robot who starts at 11, and will go to one of adjace ...
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其他好文 时间:
2019-09-09 13:02:02
阅读次数:
90
Long long ago, the sky and the earth were not separated, and the universe was chaotic. There was a giant named Pangu who slept for eighteen thousand y ...
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其他好文 时间:
2019-09-08 22:13:07
阅读次数:
133