How can i solve this error?

Question

#include<iostream>
using namespace std;
class point{
public:
int x,y;
private:
void get();
void show();
point addpoint(point p);
};
void point::addpoint(point p)
{
point pt;
pt.x = x+pt;
pt.y = y+pt
return pt;
}
void main()
{
point p1,p2,p3;
p1.get();
p1.show();
p2.get();
p2.show();
p3= p1.addpoint(p2);
p3.show();
}

Answer 1

okay, theres couple of error here.

in your class, you declare "point addpoint(point p)"
which returning point. but you define it return void "void point::addpoint(point p)"

void get() and void show() is not defined yet.

all those methods is private. they cannot accessed from outside