// ２　a = 3.1, b = 2.9, c = －1.1, d = 5.3の最大値、最小値を求め画面に出力する
#include <stdio.h>

#define max(a,b) (a>b?a:b)
#define min(a,b) (a<b?a:b)

int main()
{
	double a = 3.1, b = 2.9, c = -1.1, d = 5.3;

	printf("最大値:%f\n", max(a,max(b,max(c,d))));
	printf("最小値:%f\n", min(a,min(b,min(c,d))));
	return 0;
}