Problem	gcd
User	THXuan
Submission Time	2025-03-09 23:30:44
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

gcd.cpp: In function ‘void solve()’:
gcd.cpp:20:13: error: ‘gcd’ was not declared in this scope
20 | cout << gcd(a, b) << "\n";
| ^~~