#include <stdio.h>
#include <stdlib.h>
struct coords
{
  int x;
  int y;
  int wartosc;
};
int
addspacetostruct (struct coords **tablica, int n)
{
  struct coords *newtab = malloc ((n + 1) * sizeof (struct coords));
  if (newtab == NULL)
    return -1;
  int h;
  for (h = 0; h < n; h++)
    {
      newtab[h] = (*tablica)[h];
    }
    free (*tablica);
  *tablica = newtab;
  return 0;
}
int
findmax (int **tab2x2, int kol, int rze, struct coords **tabstr)
{
  int g = 0;
  int i;
  int j;
  for (i = 1; i < rze - 1; i++)
    {
      for (j = 1; j < kol - 1; j++)
    {
      if (tab2x2[i][j] > tab2x2[i - 1][j]
          && tab2x2[i][j] > tab2x2[i + 1][j]
          && tab2x2[i][j] > tab2x2[i][j - 1]
          && tab2x2[i][j] > tab2x2[i][j + 1])
        {
          addspacetostruct (tabstr, g);
          (*tabstr)[g].x = i;
          (*tabstr)[g].y = j;
          (*tabstr)[g].wartosc = tab2x2[i][j];
        g++;
        }
    }
    }
    return g;
}


int **
creatematrix (int kol, int rze)
{
  int **tablica = malloc (rze * sizeof (int *));
  if (tablica == NULL)
    return NULL;
  int i;
  int j;
  for (i = 0; i < rze; i++)
    {
      tablica[i] = malloc (kol * sizeof (int));
      if (tablica == NULL)
    return NULL;
    }
  for (i = 0; i < rze; i++)
    for (j = 0; j < kol; j++)
      tablica[i][j] = ((i * j) % 13);
  return tablica;
}

int
main ()
{
  printf ("podaj wymiary tablicy ");
  int j, i;
  int a;
  int b;
  scanf ("%i", &a);
  scanf ("%i", &b);
  int **wskaznik = creatematrix (a, b);
  for (i = 0; i < b; i++)
    {
      for (j = 0; j < a; j++)
    {
      printf ("%4i", wskaznik[i][j]);
    }
      printf ("\n");

    }
    struct coords * wskstr;
    int wynik3 = findmax(wskaznik,a,b,&wskstr);
    int t;
    for(t=0;t<wynik3;t++)
    printf(" %4i %4i %4i \n",wskstr[t].x , wskstr[t].y , wskstr[t].wartosc);
  return 0;

}