信息收集 Server IP AddressPorts Opening192.168.8.100TCP:21,8009,9001 $ nmap -sV -sC 192.168.8.100 -p- --min-rate 1000 -Pn Starting Nmap 7.92 ( https://nmap.org ) at 2024-06-20 05:06 EDTNmap scan repor

题面 题目链接：传送门 Petya and Vasya arranged a game. The game runs by the following rules. Players have a directed graph consisting of n vertices and m edges. One of the vertices contains a chip. Initially