#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
class point{
float a, b;
public:
point(float a, float b){
this->a=a;
this->b=b;
}
float getA()
{
return a;
}
float getB()
{
return b;
}
};
bool sortujPoX(point p1, point p2){
return (p1.getA() < p2.getA());
}
bool sortujPoY(point p1, point p2){
return (p1.getB() < p2.getB());
}
int main()
{
vector<point> v;
v.push_back(point(4,-1));
v.push_back(point(-5,1));
v.push_back(point(0,0));
for(vector<point>::iterator it=v.begin(); it!=v.end(); it++){
cout<< ' '<<(*it).getA()<<" "<< (*it).getB();
cout<<endl<<endl;
}
cout<<endl<<endl;
sort(v.begin(), v.end(), sortujPoX);
for(vector<point>::iterator it=v.begin(); it!=v.end(); it++){
cout<< ' '<<(*it).getA()<<" "<< (*it).getB();
cout<<endl<<endl;
}
cout<<endl<<endl;
sort(v.begin(), v.end(), sortujPoY);
for(vector<point>::iterator it=v.begin(); it!=v.end(); it++){
cout<< ' '<<(*it).getA()<<" "<< (*it).getB();
cout<<endl<<endl;
}
return 0;
}
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