Problem	gcd
User	ov5rki11
Submission Time	2025-10-15 22:13:37
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

gcd.cpp: In function ‘long long int gcd(long long int, long long int)’:
gcd.cpp:6:27: error: expected primary-expression before ‘<<’ token
6 | if (a==0) {return << b;}
| ^~
gcd.cpp:7:32: error: expected primary-expression before ‘<<’ token
7 | else if (b==0) {return << a;}
| ^~