Question

Write a C++ program to calculate product of digits of a number.

Answer 1

using namespace std;
int product(int number){
    int prod = 1, i;
    for(i=number; i>0; i=i/10)     {
        prod = prod*(i % 10);
    }
    return prod;
}
int main(){
    int n;
    cout<<"Enter int N:  ";
    cin>>n;
    cout<<product(n)<<endl;

}