malone6 a9d70e9e4b fix: raise error in peek() function of linkedlist_stack.py, linkedlist_queue.py, linkedlist_deque.py (#754) ... * fix: linkedlist_stack.py 中的peek方法需要判空raise Error 栈空的时候不能再 peek() 。另外由于 pop() 复用了 peek() ，栈空时返回的 None 会传递到 pop() 中的 num ，导致后续的继续执行 self.peek.next 报错等后续问题 * Update linkedlist_stack.py * Update linkedlist_queue.py * Update linkedlist_deque.py --------- Co-authored-by: Yudong Jin <krahets@163.com>		2023-09-14 01:22:53 +08:00
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chapter_array_and_linkedlist	Remove -> None for Python functions	2023-07-24 22:34:05 +08:00
chapter_backtracking	fix preorder_traversal_iii_compact code	2023-09-09 00:51:00 +08:00
chapter_computational_complexity	Add comparison between iteration and recursion.	2023-09-12 00:56:59 +08:00
chapter_divide_and_conquer	Format C, C++, C#, Go, Java, Python, Rust code.	2023-09-02 23:54:38 +08:00
chapter_dynamic_programming	fix climbing_stairs_constraint_dp code	2023-08-31 02:31:58 +08:00
chapter_graph	Remove -> None for Python functions	2023-07-24 22:34:05 +08:00
chapter_greedy	Fix the content	2023-08-10 11:35:16 +08:00
chapter_hashing	Format C, C++, C#, Go, Java, Python, Rust code.	2023-09-02 23:54:38 +08:00
chapter_heap	Format C, C++, C#, Go, Java, Python, Rust code.	2023-09-02 23:54:38 +08:00
chapter_searching	Polish the chapter	2023-08-20 14:51:39 +08:00
chapter_sorting	Format C, C++, C#, Go, Java, Python, Rust code.	2023-09-02 23:54:38 +08:00
chapter_stack_and_queue	fix: raise error in peek() function of linkedlist_stack.py, linkedlist_queue.py, linkedlist_deque.py (#754)	2023-09-14 01:22:53 +08:00
chapter_tree	fix binary_search_tree code	2023-08-31 02:31:31 +08:00
modules	Format C, C++, C#, Go, Java, Python, Rust code.	2023-09-02 23:54:38 +08:00
.gitignore	Format the Java codes with the Reat Hat extension.	2023-04-14 00:12:10 +08:00