Question

write a program that will compute n! (factorial) which is the product of all number from1 to n.

Answer 1

#include<iostream.h>

int factorial(int n){
int res=1;
for(int i = 1; i <= n; i++)
& res = res*i;
return res;
}

void main(){
int m;
cout<<"Enter an integer: ";
cin>>m;
cout<<factorial(m)<<"\n";

}