Christian Clauss 1ae5abfc3c Replace typing.optional with new annotations syntax (#5829) ... * Replace typing.optional with new annotations syntax * updating DIRECTORY.md Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>		2021-11-17 04:43:02 +01:00
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binary_tree	[mypy] Fix type annotations in data_structures/binary_tree/red_black_tree.py (#5739)	2021-11-04 16:38:43 +01:00
disjoint_set	Add type annotations (#4814)	2021-10-12 00:34:30 +08:00
hashing	Pyupgrade to Python 3.9 (#4718)	2021-09-07 13:37:03 +02:00
heap	Fix type annotations in randomized_heap.py (#5704)	2021-10-31 11:49:34 +01:00
linked_list	Replace typing.optional with new annotations syntax (#5829)	2021-11-17 04:43:02 +01:00
queue	[mypy] fix type annotations in data_structures/queue/circular_queue_linked_list.py (#5749)	2021-11-02 11:09:46 +01:00
stacks	[mypy] Fix type annotations in data_structures/stacks/next_greater_element.py (#5763)	2021-11-05 20:45:37 +01:00
trie	[mypy] Fix type annotations for trie.py (#5022)	2021-10-23 01:21:41 +08:00
__init__.py	Add __init__.py files in all the directories (#2503)	2020-09-28 19:42:36 +02:00