【请教】如图一楼

顶

人工置顶

#include<iostream>
using namespace std;
class cdnt{
private:
int x_, y_;
public:
cdnt()
{
x_ = 0;
y_ = 0;
}
cdnt(int x, int y){
x_ = x;
y_ = y;
}
cdnt(cdnt &cdnt){
x_ = cdnt.x_;
y_ = cdnt.y_;
}
const cdnt operator=(cdnt &cdnt){
this->cdnt::cdnt(cdnt);
return cdnt;
}
cdnt getmid(cdnt secondCdnt){
int xm = (x_ + secondCdnt.getx()) / 2;
int ym = (y_ + secondCdnt.gety()) / 2;
return cdnt(xm, ym);
}//求中点函数
cdnt operator+(cdnt &a){
return (this->getmid(a));
}//“+”运算符重载
void setx(){
cout << "The x coordinate?" << endl;
cin>>x_;
}
void setx(const int x){
x_ = x;
}
void sety(){
cout << "The y coordinate?" << endl;
cin >> y_;
}
void sety(const int y){
y_ = y;
}
int getx(){
return x_;
}
int gety(){
return y_;
}
};

5楼是类实现的代码

给出的错误是第一张图中那个setter函数的调用中参数太多

类就有很大问题