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

main() {
	int i;
	int *ip;
	int *space;

/* Declare the double pointer. Note: This can also be declared  int* *ipp */
	int **ipp;
	int number;
	int n,m,j,k;
	FILE *fp;
	int control =1;

	fp = fopen("input.dat", "r");
	fscanf(fp,"%d",&n);

/* Allocate the memory. Notice that the space for the double pointer is the size of an int pointer */
	ip = (int*)malloc(n*sizeof(int)); 
	ipp = (int **) malloc(n * sizeof(int*));

	for(i = 0; i < n; i++) {
		fscanf(fp,"%d", &m);
		*(ip + i) = m;
	}
	for(i = 0; i < n; i++) {
		m = *(ip + i);

/* Allocate the memory for the numbers to be stored */
		*(ipp + i) = (int *) malloc(m * sizeof(int));
	}

/* Scan the numbers in */
	for(i = 0; i < n; i++) {
		number = *(ip + i);
		space = *(ipp + i);
		for(j = 0 ; j < number; j++) {
			fscanf(fp,"%d", &k);
			*(space + j) = k;
		}

	}

	while(control == 1) {

		printf("which ptr do you want\n");
		scanf("%d", &n);
		printf("for that ptr, which int \n");
		scanf("%d", &m);
		printf("I am storing %d here\n",   *( *(ipp + n) + m));
		printf("Enter 1 to continue\n");
		printf("Enter 2 to exit\n");
		scanf("%d", &control);

	} 
}