#include <stdio.h>
#include <stdlib.h>
 
struct intarray{
  int length;
  int* array;
};
 
struct intarray2{
  int length;
  struct intarray* array;
};
 
int main() {
  struct intarray2 a;
  a.length = 7;
  a.array = (struct intarray*) calloc(7,sizeof(struct intarray)  );
  int i;
  while(i < 7){
     a.array[i].length = 8;
     a.array[i].array = (int*) calloc(8,sizeof(int));
     i++;
  }
 
 a.array[6].array[3] = 12;
 
  return 0;
}