View Compilation Error

0_0_18976091_17182.cpp:30:5: error: stray '\' in program
     printf("%lld"\n",gcd(x,y));
     ^
0_0_18976091_17182.cpp:30:5: error: missing terminating " character
0_0_18976091_17182.cpp: In function 'int main()':
0_0_18976091_17182.cpp:30:19: error: expected ')' before 'n'
     printf("%lld"\n",gcd(x,y));
                   ^