Factorial

/*
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/**
*
* @author Madelaine
*/
public class Factorial {
public double factorial(double x){ //cambio int por long

double res = 1;
double m=13;//Letra M
double n=23;//lETRA V


if((n==0)||(m==0))
res = 1;
else
{
for(int i=1;i<=x;i++)
res = res * i;
}

return res;

}

// System.out.println("g=n!/(n-m)!=");


public static void main(String args[]){

double g;
double m=13;
double n=23;

Factorial fun = new Factorial();
g=(fun.factorial(n)/fun.factorial(n-m));

System.out.println("El Resultado es: " +g);
}

}