Calculate of X^N by successive multiplications of two natural numbers X and N entered on the keyboard.

#include <stdio.h>
#include <conio.h>

void main()
{
	int  X, N; 
	int  I; 
 	double RESULT; 

 	do{
      		printf("Enter X : ");
     		scanf("%d", &X);
    	}while (X<0);
 
	do
    	{
      		printf("Entrez N : ");
     		scanf("%d", &N);
    	}while (N<0);
 
 	/* for N=0, the result is X^0=1 */
 	for (RESULT=1.0, I=1 ; I<=N ; I++)
        	RESULT*=X;
 
 	/* Attention: for X=0 and N=0 , 0^0 is undefined */
 	if (N==0 && X==0)
     		printf("zero exponant zero is undefined !\n");
 	else
     		printf("Result : %d ^ %d = %.0f\n", X, N, RESULT);

	getch();
}