C programming power function example program

• C program to find power of a number using function.
• Write a c program to find power of a number using function recursion

 Program #1 : Write a c program to find power of a number without using function recursion

1.  #include<stdio.h>
2. int main(){
3.   int power,num,i=1;
4.   long int sum=1;
5.   printf("Enter a number:\n ");
6.   scanf("%d",&num);
7.   printf("\nEnter power:\n ");
8.   scanf("%d",&power);
9.   while(i<=power){
10.             sum=sum*num;
11.             i++;
12.   }
13.   printf("\n%d to the power %d is: %ld",num,power,sum);
14.   getch();
15. }

  Output:

  Program #2 : Write a c program to find power of a number using function recursion

1.  #include<stdio.h>
    
2. void powerofnumber(int power, int num);
3. int main(){
4.   int power,num,i=1;
5.   long int sum=1;
6.   printf("Enter a number:\n ");
7.   scanf("%d",&num);
8.   printf("\nEnter power:\n ");
9.   scanf("%d",&power);
10.   powerofnumber(power,num);
11.   return 0;
12. }
13.  
14. void powerofnumber(int power, int num){
15.      int i=1,sum=1;
16.      while(i<=power){
17.             sum=sum*num;
18.             i++;
19.   }
20.   printf("\n%d to the power %d is: %ld",num,power,sum);
21.  
22. }

 

Output:

1. Enter a number:
2.  23
3.  
4. Enter power:
5.  3
6.  
7. 23 to the power 3 is: 12167