#include "cmath"
#include "iostream"
#include "ctime"
#include "iomanip"
#include "stdio.h"
#include "stdlib.h"
#include "mpi.h"

#define MASTER 0
using namespace std;

int main(int argc, char **argv)
{
    MPI_Init(&argc, &argv);
    MPI_Request req;
    int rank, size, length, test;
    int new_rank;
    int element = 0;
    int n = 4;
    int m = 4;

    MPI_Status status;

    int *dim = new int[2];
    int *periods = new int[2];
    int *coord = new int[2];
    int reorder;
    dim[0] = n;
    dim[1] = m;
    periods[0] = false;
    periods[1] = false;
    reorder = true;
    int tab[n][m];
    int final[n][m];
    MPI_Comm new_comm;
    int pom[3];
    int pom2[3];


    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    MPI_Comm_size(MPI_COMM_WORLD, &size);
    int pom3[size][3];
    element = rank;

    cout << "Proces P[" << rank << "]. Jego elemnt to = " << element << endl;

    MPI_Cart_create(MPI_COMM_WORLD, 2, dim, periods, reorder, &new_comm);

    MPI_Cart_coords(new_comm, rank, 2, coord);
    cout << "Proces P[" << rank << "]. Wspolrzędne["<<coord[0]<<"]["<<coord[1]<<"]"<< endl;

    int pom4[size][3];


    //  cout<<"rank "<<i<<" wyslal swoj elelemt";
        MPI_Cart_coords(new_comm, rank, 2, coord);
            pom3[rank][0]= element;
            pom3[rank][1]=coord[0];
            pom3[rank][2]=coord[1];

             cout<<"rank "<<rank<<"/c1/c2|"<<pom3[rank][0]<<"/"<<pom3[rank][1]<<"/"<<pom3[rank][2]<<endl;






    MPI_Reduce(&pom3, &pom4, size*3, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);

if(rank==0){

for(int i =0; i < size; i++)
{
                cout<<"m"<<i;
                cout<<"/"<<pom4[i][0]<<"/"<<pom4[i][1]<<"/"<<pom4[i][2]<<endl;

        }
}
    MPI_Finalize();
}