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Dudu's maze
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 ...
分类:其他好文   时间:2019-09-15 01:03:26    阅读次数:100
转 How to Find Out Who Is Locking a Table in MySQL
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 ...
分类:数据库   时间:2019-09-14 00:16:00    阅读次数:197
The Preliminary Contest for ICPC Asia Xuzhou 2019
"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 ...
分类:其他好文   时间:2019-09-13 19:26:48    阅读次数:102
[LeetCode] 913. Cat and Mouse 猫和老鼠
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 ...
分类:其他好文   时间:2019-09-13 01:29:43    阅读次数:109
9.12 linux下文件的权限管理、用户和组管理
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: ...
分类:系统相关   时间:2019-09-12 13:44:04    阅读次数:124
MATLAB之基本语法与基础函数
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 ...
分类:其他好文   时间:2019-09-12 10:22:07    阅读次数:126
02 :history命令显示日期-时间-登录IP-用户名
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 ...
分类:其他好文   时间:2019-09-10 20:48:25    阅读次数:115
COMP 5416 Assignment
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 ...
分类:其他好文   时间:2019-09-09 19:26:43    阅读次数:58
D题 Robots 【期望】
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 ...
分类:其他好文   时间:2019-09-09 13:02:02    阅读次数:90
Pangu Separates Heaven and Earth(签到题)(The 2019 Asia Nanchang First Round Online Programming Contest)
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 ...
分类:其他好文   时间:2019-09-08 22:13:07    阅读次数:133
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