FIND POWER OF A NUMBER USING RECURSION USING C PROGRAM
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16 comments:
thank u very much
it does not works for power(10,6)...why?
it's working for (10,6) also once check it....
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.
It Does n't work
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;
}
good job
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
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));
}
awesome.
#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);
}
}
#include
#include
unsigned int Number_a_to_number_b(unsigned int a, unsigned int b);
unsigned int x,y;
unsigned int answer=0;
int main()
{
printf("Enter a base");
scanf("%u",&x );
printf("Enter a power");
scanf("%u",&y);
answer = Number_a_to_number_b(x,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;
//answer*=a;
return a*Number_a_to_number_b(a,(b-1));
}
(i=1;i<=Thenumberyouinput;i++);
Answer=i*2
try it
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;
}
(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);
}
(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);
}
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