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Dynamic_Array_in_C
46 lines (36 loc) · 1.35 KB
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Dynamic_Array_in_C
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#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);
int total_number_of_queries;
scanf("%d", &total_number_of_queries);
total_number_of_books = calloc(total_number_of_shelves, sizeof(int));
total_number_of_pages = (int**)malloc(total_number_of_shelves * sizeof(int*));
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);
if(total_number_of_books[x] == 0) {
total_number_of_pages[x] = (int*)malloc(sizeof(int));
} else {
total_number_of_pages[x] = (int*)realloc(total_number_of_pages[x], (total_number_of_books[x] * sizeof(int)) + sizeof(int));
}
total_number_of_pages[x][total_number_of_books[x]] = y;
total_number_of_books[x] += 1;
} else if (type_of_query == 2) {