do division without using / and %

#include <stdio.h>
#include <stdlib.h>


void division(int dividen, int divisor, int& quotient, int& remainder) {
        int count=0;

        if (divisor<=0 || dividen <=0)
                return;

        remainder=dividen;
        while (divisor <= remainder) {
                divisor<<=1;
                count++;
        }
        for (int i=0;i<count+1;i++) {
                remainder-=divisor;
                if (remainder>=0) {
                        quotient<<=1;
                        quotient|=0x01;
                } else {
                        remainder+=divisor;
                        quotient<<=1;
                }
                divisor>>=1;
        }
}

int main (int argc, char** argv) {
        if (argc!=3) {
                printf ("Usage: %s dividen divisor\n",argv[0]);
                return 0;
        }
        int a=atoi(argv[1]);
        int b=atoi(argv[2]);
        int c=0,d=0;
        division(a,b,c,d);
        printf ("dividen: %d divisor:%d quotient:%d remainder:%d\n",a,b,c,d);
        return 0;
}