#include "iostream"
using namespace std;
//定义函数
int max11(int,int);
int max11(int,int,int);
double max22(double,double);
double max22(double,double,double);
int main()
{
//
int a,b,c,max1;
int d,e,f,max2;
cout<<"input two int number:"<<endl;
cin>>a>>b;
max1=max11(a,b);
cout<<"max="<<max1<<endl; //可以正常输出预想的数
cout<<"input three int number:"<<endl;
cin>>a>>b>>c;
max1=max11(a,b,c);
cout<<"max="<<max1<<endl; //可以正常输出预想的数
cout<<"input two double number:"<<endl; //从这里开始就有问题了
cin>>d>>e;