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

/*
 * This stores the total number of books in each shelf.
 */
int* total_number_of_books;

/*
 * This stores the total number of pages in each book of each shelf.
 * The rows represent the shelves and the columns represent the books.
 */
int** total_number_of_pages;



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

    // Allocate memory for the total_number_of_books array
    total_number_of_books = (int*)malloc(total_number_of_shelves * sizeof(int));

    // Allocate memory for the total_number_of_pages array
    total_number_of_pages = (int**)malloc(total_number_of_shelves * sizeof(int*));

    // Initialize the total_number_of_books array to 0
    for (int i = 0; i < total_number_of_shelves; i++) {
        total_number_of_books[i] = 0;
    }

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

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

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

            // Increase the number of books on the Xth shelf by 1
            total_number_of_books[x]++;

            // Reallocate memory for the Xth shelf to accommodate the new book
            total_number_of_pages[x] = (int*)realloc(total_number_of_pages[x], total_number_of_books[x] * sizeof(int));

            // Store the number of pages of the new book at the end of the Xth shelf
            total_number_of_pages[x][total_number_of_books[x] - 1] = y;
        } else if (type_of_query == 2) {
            int x, y;
            scanf("%d %d", &x, &y);
            printf("%d\n", *(*(total_number_of_pages + x) + y));
        } else {
            int x;
            scanf("%d", &x);
            printf("%d\n", *(total_number_of_books + x));
        }
    }

    if (total_number_of_books) {
        free(total_number_of_books);
    }
    
    for (int i = 0; i < total_number_of_shelves; i++) {
        if (*(total_number_of_pages + i)) {
            free(*(total_number_of_pages + i));
        }
    }
    
    if (total_number_of_pages) {
        free(total_number_of_pages);
    }
    
    return 0;
}

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