#include <stdio.h>
#include <malloc.h>
#include <stdlib.h>

void main() {
  int *a;
  int n, m, i, j;
  float min;
  const int LOL_MAX_INT = 10000;

  printf("Enter n (rows): "); scanf("%d", &n);
  printf("Enter m (cols): "); scanf("%d", &m);
  a = (int*)malloc(n*m*sizeof(int));

  for(i=0; i<n; i++)
    for(j=0; j<m; j++)
      *(a + i*m + j) = rand() % LOL_MAX_INT;

  for(i=0; i<n; i++) {
    for(j=0; j<m; j++)
      printf("%5d ", *(a + i*m + j));
    printf("\n");
  }

  min = LOL_MAX_INT;
  for (i = 0; i < n; i++)
    for (j = 0; j < n; j++)
      if (min > *(a + i*m + j))
        min = *(a + i*m + j);

  printf ("Min = %.f \n", min);
  free(a);
}