ex4_7.cpp

c++编写的关于课程管理系统的软件

// Note:Your choice is C++ IDE
#include "iostream.h"
int min(int a,int b);
int min(int a,int b,int c);
int min(int a,int b,int c,int d);

void main()
{
	cout<<min(13,5,4,9)<<endl;
	cout<<min(-2,8,0)<<endl;

}
int min(int a,int b)
{
	return(a<b?a:b);
}
int min(int a,int b,int c)
{
	int t=min(a,b);
	return (min(t,c));
}
int min(int a,int b,int c,int d)
{
	int t1=min(a,b);
	int t2=min(c,d);
	return(min(t1,t2));
}