Calculate a^b.

//Program to calculate a^b.
#include<iostream.h>
#include<conio.h>
int pwr(int,int);
void main()
{
    clrscr();
    int a,d;
    cout<<"Enter first number: ";
    cin>>a;
    cout<<"Enter second number: ";
    cin>>d;
    cout<<"A^B: "<<pwr(a,d);
    getch();
}

pwr(int a,int d)
{
    int i,b=1;
    for(i=1;i<=d;i++)
    b=b*a;
    return b;
}