Problem	labels
User	2Princes1Lance
Submission Time	2024-01-11 21:29:41
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

labels.cpp: In function ‘int main()’:
labels.cpp:25:44: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
25 | std::ios_base::sync_with_stdio(false); cin.tie(nullptr);
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from labels.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
labels.cpp:34:13: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
34 | cout << "-1";
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from labels.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 |