View Compilation Error

0_0_37033437_2829.cpp: In function 'int main()':
0_0_37033437_2829.cpp:11:28: error: invalid operands of types '__gnu_cxx::__promote_2<int, int, double, double>::__type {aka double}' and 'int' to binary 'operator%'
   long long int a=pow(n,2)%10000;
                            ^