#include <iostream>
using namespace std;
int main()
{
int num;
int i;
i=0;
num=0;
cout<<"Inserire un numero intero"<<endl;
cin>>num;
for(i=num-1; i>0; i=i-1)
{
num=num*i;
}
cout<<"Il suo numero fattoriale e' "<<num<<endl;
system("PAUSE");
return 0;
}
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