// file.h//
#pragma once
#include<iostream>
using namespace std;
class So_Phuc
{
private:
int phan_thuc,phan_ao;
public:
// khởi tạo mặc định
So_Phuc(void);
So_Phuc(int );
So_Phuc(int ,int );// khởi tạo 2 tham so
~So_Phuc(void);// phá hủy
void Xuat();
};
//file.cpp//
#include "So_Phuc.h"
// hàm khởi
So_Phuc::So_Phuc(void)
{
phan_thuc=0;
phan_ao=0;
}
So_Phuc::So_Phuc(int a,int b)
{
phan_thuc=a;
phan_ao=b;
}
So_Phuc::So_Phuc(int a)
{
phan_thuc=a;
phan_ao=0;
}
void So_Phuc::Xuat()
{
cout<<phan_thuc<<"+"<<phan_ao;
cout<<endl;
}
So_Phuc::~So_Phuc(void)
{
}
/// file main
#include"So_Phuc.h"
int main()
{
So_Phuc a;
a.Xuat();
So_Phuc b(2);
b.Xuat();
So_Phuc c(3,4);
c.Xuat();
So_Phuc d(c);
d.Xuat();
So_Phuc e(-5,6);
e.Xuat();
So_Phuc f(-7);
f.Xuat();
system("pause");
return 0;
}
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