int main()
{

    int i;
    int current_total_book;                 /* holds the size of total book */

    int total_number_of_shelves;
    scanf("%d", &total_number_of_shelves);

    int total_number_of_queries;
    scanf("%d", &total_number_of_queries);

    /* initial size of total book */
    current_total_book = 110;
    /* initializing the dynamic arrays */
    total_number_of_pages = malloc( total_number_of_shelves * sizeof(int*) );
    total_number_of_books = malloc( total_number_of_shelves * sizeof(int) );
    for( i = 0; i < total_number_of_shelves; i++ ){
        total_number_of_books[i] = 0;
    }

    while (total_number_of_queries--) {
        int type_of_query;
        scanf("%d", &type_of_query);

        if (type_of_query == 1) {
            /*
             * Process the query of first type here.
             */
            int x, y;
            scanf("%d %d", &x, &y);
            int nb;
            total_number_of_books[x]++;
            nb = total_number_of_books[x];

            total_number_of_pages[x] = realloc( total_number_of_pages[x], nb * sizeof( int ) );

            /* put the number of pages y into a shelf x,
             * while also increasing the total number of books in shelf x
             */
            total_number_of_pages[x][nb - 1] = y;