5.1.3.1 Sorting objects

#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>

using namespace std;

struct Point {
    int x;
    int y;

    bool operator ()(Point & a,Point & b) {
        if (a.x < b.x && a.y < b.y)
            return true;

        else return false;
    }
};
int main()
{
    vector <Point> points = { {1, 2}, {3, 5}, {2, 2} };

    sort(points.begin(),points.end(),Point());

    for (auto i = points.begin(); i !=points.end() ; ++i) {
        cout << i->x << " " << i->y << endl;

    }


    return 0;
}