two_frn.cpp
来源：互联网 发布：su移动复制 mac 编辑：程序博客网 时间：2024/06/10 11:26
<iframe name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"></iframe> #include <iostream.h>
class loc
{
int longitude, latitude;
public:
loc(void) {} // Used to construct temporaries
loc (int lg, int lt)
{
longitude = lg;
latitude = lt;
}
void show(void)
{
cout << longitude << " ";
cout << latitude << endl;
}
loc operator=(loc op2);
friend loc operator+(loc op1, int op2); // Friend overloaded
friend loc operator+(int op1, loc op2); // Friend overloaded
};
loc loc::operator=(loc op2)
{
longitude = op2.longitude;
latitude = op2.latitude;
return *this;
}
loc operator+(loc op1, int op2)
{
loc temp;
temp.longitude = op1.longitude + op2;
temp.latitude = op1.latitude + op2;
return temp;
}
loc operator+(int op1, loc op2)
{
loc temp;
temp.longitude = op1 + op2.longitude;
temp.latitude = op1 + op2.latitude;
return temp;
}
void main(void)
{
loc ob1(10,20), ob2( 5,30), ob3( 7,14);
ob1.show();
ob2.show();
ob3.show();
ob1 = ob2 + 10;
ob3 = 10 + ob3;
ob1.show();
ob3.show();
}
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