**Q.**Write a C program to create function power and calculate the power of any number.

For example:

Assume number =

**5**

Power =

**3**

Result =

**5*5*5 = 125**

**Ans.**

/*c program for creating user define function power and calculating power of number*/

**#include**<

**stdio.h**>

int power(int , int );

int main()

{

int num,pow,res; //res = result

printf("Enter any number : ");

scanf("%d",

**&**num);

printf("Enter power of number : ");

scanf("%d",

**&**pow);

res = power(num,pow);

printf("%d's power %d = %d",num,pow,res);

**return 0**;

}

int power(int n, int p)

{

int r=1;

for(; p>=1; p--)

r = r*n;

**return**r;

}

The output of above program would be:

Screen shot for calculating power of any number Figure:using user define function power C program |

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