Write a C Program to find result where value and power are user given (Power Calculation)

#include <stdio.h>
#include <conio.h>
void main()
{
 int a,p,n,r;
 clrscr();
 printf("Enter Number: ");
 scanf("%d",&n);
 printf("\nEnter Power: ");
 scanf("%d",&p);
 for(a=p;a!=0;a--)
 {
  r=n*n;
 }
 printf("%d",r);
 getch();
}