Problem	foreveralone
User	Duk168
Submission Time	2025-03-14 15:38:45
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

foreveralone.cpp: In function ‘int main()’:
foreveralone.cpp:24:18: error: ‘has_friends’ was not declared in this scope
24 | cout << (n - has_friends.size()) << '\n';
| ^~~~~~~~~~~