/*
--------------------------------------------------
	割り算の商とデータ型 printf-warizan.c
--------------------------------------------------
*/

#include <stdio.h>
main()
{

	int a,b;
	float x,y,c;
	
	/*  ----------  失敗例 ------------ */
	a = 20;
	b = 6;
	
	printf(" a = %3d \n" ,a);
	printf(" b = %3d \n" ,b);

	c = a / b; 		/*  答えだけを実数型にしてもダメ  */
	
	printf(" a / b = %f \n",c);
	printf("\n");
	

	/*  ----------  成功例 ------------ */
	x = 20;
	y = 6;
	
	printf(" x = %.0f \n" ,x);
	printf(" y = %.0f \n" ,y);
	
	c = x / y;
	
	printf(" x / y = %f \n",c);
}