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write a program to find out number of on bits in a number?
- 17 Answers
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Answer / rajkumar
#include<stdio.h>
void main()
{
int a,count=0;
while(a>0)
{
if(a%2==1)
count++;
a=a>>1;
}
printf("no of on bits =%d ",count);
}
| Is This Answer Correct ? | 15 Yes | 1 No |
Answer / vivek
int setbit=1; //Lets start checking from first bit
int numBitSet=0; //Number of bits set in the number
while(setbit>0)
{
if(number&setbit) //bit wise and
numBitSet++;
setbit=setbit<<1;
}
| Is This Answer Correct ? | 23 Yes | 12 No |
main()
{
int n,counter;
printf("enter a number");
scanf("%d",&n);// let n=5
while(n>0)
{
counter++;
n=n&(n-1);
}
printf("%d",counter);
getch();
}
| Is This Answer Correct ? | 11 Yes | 2 No |
Answer / krishna kanth
#include<stdio.h>
main()
{
int setbit=1;
int number=16;//for example
int numBitSet=0;
clrscr();
while(setbit<=number)//important and optimized condition
{
if(number&setbit)
numBitSet++;
setbit=setbit<<1;
}
printf("%d",numBitSet);
getch();
}
| Is This Answer Correct ? | 10 Yes | 3 No |
Answer / anilkumar
int n ; \\any number
for(count=0;n&=(n-1); count++);
printf("%d", count);
| Is This Answer Correct ? | 11 Yes | 4 No |
Answer / vaishu and hema
main()
{
int n,count=0,rem;
scanf("%d",&n);
while(n>0)
{
rem=n%2;
if(rem==1)
count++;
n=n/2;
}
printf("The number of on bits in the number is %d",count);
}
| Is This Answer Correct ? | 7 Yes | 3 No |
Answer / naveen
//plz let me know whether it is correct or not...bcoz am just beginner
#include<stdio.h>
void main()
{
int j=0,i=0xFFFFE,temp=1;
int count=0;
while(j<=(sizeof(int)*8-1))
{
if(i&temp)
count++;
temp=temp<<1;
j++;
}
printf("%d",count);
}
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / jaya j
unsigned int count1s(unsigned char x)
{
int p;
for(p=0;x!=0;x>>=1)
if(x&1)
p++;
return p;
}
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / madhu
#include <stdio.h>
main()
{
int number;
int setbit=1; //Lets start checking from first bit
int numBitSet=0; //Number of bits set in the number
printf("enter the number");
scanf("%d", &number);
while(setbit>0)
{
if(number&setbit) //bit wise and
numBitSet++;
setbit=setbit<<1;
}
printf("%d",numBitSet);
}
full program of the first ans...
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / ajay vikram
void main()
{
int number,a=0,b,count=0;
printf("Enter the number : ");
scanf("%d",&number);
b = (number/2);
while(b)
{
if((number>>a)& 1)
{
count++;
}
a++;
b--;
}
printf("Number of ON Bits in the number : %d\n",count);
}
| Is This Answer Correct ? | 1 Yes | 0 No |
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