Friday 21 June 2013

C Program To Calculate The Power Of A Number Using Recursion

C Program To Calculate The Power Of A Number Using Recursion


/* Source Code to calculate power using recursive function */
#include 
int power(int n1,int n2);
int main()
{
    int base, exp;
    printf("Enter base number: ");
    scanf("%d",&base);
    printf("Enter power number(positive integer): ");
    scanf("%d",&exp);
    printf("%d^%d = %d", base, exp, power(base, exp));
    return 0;
}
int power(int base,int exp)
{
    if ( exp!=1 )
        return (base*power(base,exp-1));
}
Output
Enter base number: 3
Enter power number(positive integer): 3
3^3 = 27


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