#include<stdio.h>
int main() {
int num,tmp=1;
printf("Enter the number \n");
scanf("%d",&num);
while(num>9) {
while(num>tmp)
tmp=tmp<<1;
tmp>>1;
num=num-tmp;
tmp=1;
}
if(num==9 || num==6 || num==3)
printf("\nNumber divisible by 3");
else
printf("\nNumber is not divisible by 3");
return 0;
}
On Aug 14, 12:45 pm, richa gupta <richa.cs...@gmail.com> wrote:
> can we check the divisibility of a given number by 3 withoutusing
> operators like '/' or '%'.
> I want the efficient solution to this problem ..
>
> can someone help ??
> --
> Richa Gupta
> (IT-BHU,India)
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