View Compilation Error

0_0_36675805_16594.cpp: In function 'int main()':
0_0_36675805_16594.cpp:39:26: error: 'g' was not declared in this scope
   if(n>=b[0]&&f==1&&b[0]%g==0) cout<<(n-b[0])/a[0]+1<<endl;
                          ^