#include <stdio.h>

#define ROWS 5
#define COLS 4

int main(void) {

  double table [ROWS][COLS] =
    {{ 3.1,  5.5,  2.7, 19.3},
     { 0.2, 15.4, 16.9, -3.0},
     { 7.2,  5.4, 18.0, 13.7},
     {17.8, 15.4, 18.6,  3.0},
     { 7.1, -5.4,  8.7,  333.3}};

  double min_el = table[0][0], max_el = table[0][0];
  double *table_ptr = &table[0][0];

  int i, count; 
  count = sizeof(table) / sizeof(double);

  for(i = 0; i < count; i++){
    double *dptr = (table_ptr + i);
    if (*dptr < min_el) min_el = *dptr;
    if (*dptr > max_el) max_el = *dptr;
  };

  printf("\nThe minimun element is %f, and the maxium is %f\n\n", min_el, max_el);
  return 0;
}