This homework assignment (HW 8) involves implementing data structures and algorithms in C. The assignment consists of three parts. The first part, `buy_book`, creates a linked list of books a user wants to purchase. The second part, `setfbt`, updates a 'frequently bought together' (fbt) linked list for each book in the purchase list. The third part, `display_fbt`, prints the details of each book and its associated fbt list. The code provided shows an attempt at solving these problems using linked lists, but it contains errors and inefficiencies. The assignment likely requires students to understand linked list manipulation, memory allocation (`malloc`), and pointer usage in C. The provided solution attempts to address these tasks but needs debugging and optimization.
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