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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