View Compilation Error

0_0_19346434_14229.cpp: In function 'long long int C(long long int, long long int)':
0_0_19346434_14229.cpp:34:30: error: invalid operands of types '__gnu_cxx::__promote_2<int, int, double, double>::__type {aka double}' and 'const int' to binary 'operator%'
  return f[n]*pow(f[m],Mod-2)%Mod*pow(f[n-m],Mod-2)%Mod;
                              ^