C program to compute the value of X ^ N, given X and N as inputs. Program accepts two integers x, n and computes the power of x to the n by using recursion function power(). Read more about C Programming Language .

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#include <stdio.h>

#include <math.h>

void main()

{

long int x,n,xpown;

long int power(int x, int n);

printf("Enter the values of X and Nn");

scanf("%ld %ld",&x,&n);

xpown = power (x,n);

printf(" %d to the power %d = %ldn",x,n,xpown);

}

/*Recursive function to computer the X to power N*/

long int power(int x, int n)

{

if (n==1)

return(x);

else if ( n%2 == 0)

return (pow(power(x,n/2),2)); /*if n is even*/

else

return (x*power(x, n-1)); /* if n is odd*/

}

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