#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <tuple>
 
struct Location {
    int g = 0; // Distance covered so far 
    int h = 0; // Estimate of distance to goal
    float f = 0; // Estimated cost of the complete path
    bool walkable = 0; // 0 = Walkable, 1 = Wall
};
 
// Structure 
struct Coord {
    int x;
    int y;
    Location location;
    bool operator <(const Coord& c) const { return std::tie(x,y) < std::tie(c.x,c.y); }
};
 
int main()
{
	std::set<Coord> coordSet;
	coordSet.insert(Coord{0,0,Location()});
}
 

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