## INDEX

### FIND POWER OF A NUMBER USING RECURSION USING C PROGRAM

Find power of a number using recursion using c program

#include<stdio.h>
int main(){
int pow,num;
long int res;
long int power(int,int);
printf("\nEnter a number: ");
scanf("%d",&num);
printf("\nEnter power: ");
scanf("%d",&pow);
res=power(num,pow);
printf("\n%d to the power %d is: %ld",num,pow,res);
return 0;
}
int i=1;
long int sum=1;
long int power(int num,int pow){
if(i<=pow){
sum=sum*num;
power(num,pow-1);
}
else
return sum;
}

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Big list of c program examples Anonymous said...

thank u very much Anonymous said...

it does not works for power(10,6)...why? Anonymous said...

it's working for (10,6) also once check it....

reny said...

can you help me with this one? program that will print out

powers of 2: 1, 2, 4, 8, .. up to 2n, where n is a user input.

yogesh chandel said...

It Does n't work Anonymous said...

this power function is not efficient...
modify like this>>>>>>>
A better recursion function for power calculation...
pow(int a,int b)
{
if(b==0)
return 1;
if(b%2==0)
return pow(a*a,b/2);
return pow(a*a,b/2)*a;
} Anonymous said...

good job

Doctor N said...

Yr what is this? It is not working. Make it right, otherwise my girlfriend will kill me. do it fast. Tomorrow will b her practicals, I am management student. Did not know what the hell are you doing with this C Anonymous said...

try this ....this code surely works :) chancahl tripathi:)
#include
#include
int power(int x,int p);
void main()
{
int n,p;
clrscr();
printf("enter no.and power");
scanf("%d%d",&n,&p);
printf("%d",power(n,p));
getch();
}
int power(int x,int p)
{
if(p==0)
return 1;
else
return (x*power(x,p-1));

}

Pawan Sen said...

awesome. Anonymous said...

#include
#include
#include
int power(int,int,int);
main()
{
int num,i=1,p,result;
printf("Enter a number:");
scanf("%d",&num);
printf("Enter power:");
scanf("%d",&p);
result=power(num,i,p);
printf("\n%d to the power of %d is: %d",num,p,result);
getch();
}
int power(int num,int i,int p)
{
if(i==p)
{
return pow(num,i);
}
else
{
return power(num,i+1,p);
}
}

omale said...

#include
#include
unsigned int Number_a_to_number_b(unsigned int a, unsigned int b);
unsigned int x,y;
int main()
{
printf("Enter a base");
scanf("%u",&x );
printf("Enter a power");
scanf("%u",&y);
printf("%u to power %u is %u",x,y,answer);

return 0;
}
unsigned int Number_a_to_number_b(unsigned int a, unsigned int b)
{
if (b==0)
return 1;
if (b==1)
return a;

return a*Number_a_to_number_b(a,(b-1));

}

Unknown said...

(i=1;i<=Thenumberyouinput;i++);

try it

Unknown said...

this program much better this
#include
int power(int a,int b);
main()
{
int a,out;
int b;
printf("Enter Power :");
scanf("%d",&a);
printf("Enter base");
scanf("%d",&b);
out= power(a,b);
printf("power=%d",out);
getch();
}
int power(int x, int y)
{
int i,t=1;
for(i=1;i<=y;i++)
{
t=t*x;
}
return t;
}

ناصرخان صياد said...

(Easy way for power)

#include
void main()
{
int base,index,pow=1;
printf("\n Enter the Base : ");
scanf("%d",&base);
printf("\n Enter the Index : ");
scanf("%d",&index);
for(int i=1;i<=y;i++)
{
pow=pow*base;
}
printf("\n %d^%d = %d",base,index,pow);
}

ناصرخان صياد said...

(Easy way fo power)

#include
void main()
{
int base,index,pow=1;
printf(" Enter the Base : ");
scanf("%d",&base);
printf(" Enter the Index : ");
scanf("%d",&index);
for(int i=1;i<=index;i++)
{
pow=pow*base;
}
printf("%d^%d=%d",base,index,pow);
}