Problem	gcd
User	TienKai
Submission Time	2024-02-17 13:08:51
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

gcd.cpp: In function ‘int main()’:
gcd.cpp:5:5: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
5 | cin >> n1 >> n2;
| ^~~
| std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from gcd.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~
gcd.cpp:14:5: error: ‘cout’ was not declared in this scope; did you mean ‘std::cout’?
14 | cout << n1;
| ^~~~
| std::cout
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:75,
from gcd.cpp:1:
/usr/include/c++/9/iostream:61:18: note: ‘std::cout’ declared here
61 | extern ostream cout; /// Linked to standard output
| ^~~~