Problem 3004. -- [Noi2016十连测第一场]访问计划

3004: [Noi2016十连测第一场]访问计划

Time Limit: 2 Sec  Memory Limit: 233 MB
Submit: 358  Solved: 156
[Submit][Status][Web Board]

Description

http://begin.lydsy.com/JudgeOnline/upload/file/20160615/20160615080335_25675.zip

Input

Output

HINT

Source

[Submit][Status]