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Give a method to count the number of ones in a 32 bit number?
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Answer Posted / jayaprakash
#include<stdio.h>
#include<conio.h>
main()
{
int i;
int n;
int count=0;
int j;
int res=0;
clrscr();
printf("Enter the number:");
scanf("%d",&n);
for(j=15;j>=0;j--)
{ i=1;
i=i<<j;
res=i&n;
if(res!=0)
count++;
}
printf("\nNumber of ones is:%d",count);
getch();
}
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