#include <iostream.h>
//參數(shù)帶有默認(rèn)值的函數(shù)
disp(int x=1,int y=1,int z=1)
{
    cout<<"參數(shù)1: "<<x<<endl;
    cout<<"參數(shù)2: "<<y<<endl;
    cout<<"參數(shù)3: "<<z<<endl;
    cout<<"------------------"<<endl;
}

//main()函數(shù)中測試參數(shù)帶有默認(rèn)值的函數(shù)disp()
void main()
{
    disp();
    disp(10);
    disp(10,20);
    disp(10,20,30);
    int a=1,b=2,c=3;
    disp(a,b,c);
}