Problem	gcd
User	Khai
Submission Time	2024-07-12 15:39:03
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

gcd.cpp: In function ‘int main()’:
gcd.cpp:7:2: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
7 | cin >> a >> b;
| ^~~
| std::cin
In file included from gcd.cpp:1:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
60 | extern istream cin; /// Linked to standard input
| ^~~