Problem	ping
User	liuhc1017
Submission Time	2026-07-18 10:11:33
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

ping.cpp: In function ‘int rabbit(int)’:
ping.cpp:6:2: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
6 | cout<<dist;
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from ping.h:1,
from ping.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~