C語言——整型整除，浮點數整除

#include "stdio.h"

int main()
{
	unsigned int a;
	double c;

	a = 1;
	c = 1;

	printf("%f\r\n", a/3);
	printf("%f\r\n", c/3);
	printf("%f\r\n", 1.0/3);

	return 0;

}