#include <stdio.h>

int divide (int a, int b);
int rmndr (int a, int b);
int main ()

	{
	int a, b, quot, rem;
	printf("\nEnter dividend:");
	scanf("%d", &a);
	printf("\nEnter divisor:");
	scanf("%d", &b);
	if (b==0)
		printf("\nMath error\n");
	else {if (a==0)
		printf("\nQuotient is 0\n");
	else
	{
	quot=divide (a,b);
	rem=rmndr (a,b);
	printf("\n\n%d divided by %d is %d remainder %d\n\n",a,b,quot,rem);
	}}
	return 0;
	}


int divide (int a, int b)
	{
	if(a<0 && b>0)
		{
		if(-a>=b)
			return (-1)+(divide(a+b,b));
		else
			return 0;}
	else if(a>0 && b<0)
		{
		if(a>=-b)
			return (-1)+(divide(a+b,b));
		else
			return 0;}
	else if (a>0 && b>0)
		{if(a>=b)
			return 1+(divide(a-b,b));
		else
			return 0;}
	else
		{if(-a>=-b)
			return 1+(divide(a-b,b));
		else
			return 0;}

	}


int rmndr (int a, int b)
	{
	if(a<0 && b>0)
		{
		if(-a>b && -a!=b)

			return 1*(rmndr(a+b,b));
		else
			return a;}
	else if(a>0 && b<0)
		{
		if(a>-b)
			return 1*(rmndr(a+b,b));
		else if(a==-b)
			return 0;
		else
			return a;}
	else if (a>0 && b>0)
		{if(a>b&&a!=b)
			return 1*(rmndr(a-b,b));
		else
			return a;}
	else
		{if(-a>-b)
			return 1*(rmndr(a-b,b));
		else if(a==b)
			return 0;
		else
			return a;}
	/*if(a<0)
	a=-1*a;
	if(a==b)
	return 0;
	else if (a<b)
		return a;
	else if(a>b)
		return 1*rmndr(a-b,b);*/
	}