View Compilation Error

0_0_30689085_24169.cpp: In function 'void exgcd(long long int, long long int, long long int&, long long int&)':
0_0_30689085_24169.cpp:27:10: error: expected '}' at end of input
  if(b==0){
          ^
0_0_30689085_24169.cpp:27:10: error: expected '}' at end of input