#include <string>
#include <vector>
#include <list>
#include <cmath>
#include <algorithm>
#include <map>
#include <set>
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;

class DistinctGridEasy {
  public:
    string checkGrid(int n, int k, vector <int> grid);
};

string DistinctGridEasy::checkGrid(int n, int k, vector <int> grid)
{
}