Commit Graph

410 Commits

Author SHA1 Message Date
Tianyi Zheng
ae0fc85401
Fix ruff errors (#8936)
* Fix ruff errors

Renamed neural_network/input_data.py to neural_network/input_data.py_tf
because it should be left out of the directory for the following
reasons:

1. Its sole purpose is to be used by neural_network/gan.py_tf, which is
   itself left out of the directory because of issues with TensorFlow.

2. It was taken directly from TensorFlow's codebase and is actually
   already deprecated. If/when neural_network/gan.py_tf is eventually
   re-added back to the directory, its implementation should be changed
   to not use neural_network/input_data.py anyway.

* updating DIRECTORY.md

* Change input_data.py_tf file extension

Change input_data.py_tf file extension because algorithms-keeper bot is being picky about it

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2023-08-09 13:25:30 +05:30
AmirSoroush
ce218c57f1
fixes #8673; Add operator's associativity check for stacks/infix_to_p… (#8674)
* fixes #8673; Add operator's associativity check for stacks/infix_to_postfix_conversion.py

* fix ruff N806 in stacks/infix_to_postfix_conversion.py

* Update data_structures/stacks/infix_to_postfix_conversion.py

Co-authored-by: Tianyi Zheng <tianyizheng02@gmail.com>

* Update data_structures/stacks/infix_to_postfix_conversion.py

Co-authored-by: Tianyi Zheng <tianyizheng02@gmail.com>

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Co-authored-by: Tianyi Zheng <tianyizheng02@gmail.com>
2023-08-01 11:23:34 -07:00
roger-sato
0b0214c42f
Handle empty input case in Segment Tree build process (#8718) 2023-07-31 11:46:30 -07:00
AmirSoroush
384c407a26
Enhance the implementation of Queue using list (#8608)
* enhance the implementation of queue using list

* enhance readability of queue_on_list.py

* rename 'queue_on_list' to 'queue_by_list' to match the class name
2023-07-30 19:07:35 -07:00
AmirSoroush
d4f2873e39
add reverse_inorder traversal to binary_tree_traversals.py (#8726)
* add reverse_inorder traversal to binary_tree_traversals.py

* Apply suggestions from code review

Co-authored-by: Tianyi Zheng <tianyizheng02@gmail.com>

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2023-07-30 17:54:15 -07:00
Sangmin Jeon
a03b739d23
Fix radix_tree.py insertion fail in ["*X", "*XX"] cases (#8870)
* Fix insertion fail in ["*X", "*XX"] cases

Consider a word, and a copy of that word, but with the last letter repeating twice. (e.g., ["ABC", "ABCC"])
When adding the second word's last letter, it only compares the previous word's prefix—the last letter of the word already in the Radix Tree: 'C'—and the letter to be added—the last letter of the word we're currently adding: 'C'. So it wrongly passes the "Case 1" check, marks the current node as a leaf node when it already was, then returns when there's still one more letter to add.
The issue arises because `prefix` includes the letter of the node itself. (e.g., `nodes: {'C' : RadixNode()}, is_leaf: True, prefix: 'C'`) It can be easily fixed by simply adding the `is_leaf` check, asking if there are more letters to be added.

- Test Case: `"A AA AAA AAAA"`
  - Fixed correct output:
  ```
  Words: ['A', 'AA', 'AAA', 'AAAA']
  Tree:
  - A   (leaf)
  -- A   (leaf)
  --- A   (leaf)
  ---- A   (leaf)
  ```
  - Current incorrect output:
  ```
  Words: ['A', 'AA', 'AAA', 'AAAA']
  Tree:
  - A   (leaf)
  -- AA   (leaf)
  --- A   (leaf)
  ```

*N.B.* This passed test cases for [Croatian Open Competition in Informatics 2012/2013 Contest #3 Task 5 HERKABE](https://hsin.hr/coci/archive/2012_2013/)

* Add a doctest for previous fix

* improve doctest readability
2023-07-24 11:29:05 +02:00
Caeden Perelli-Harris
93fb169627
[Upgrade Ruff] Fix all errors raised from ruff (#8879)
* chore: Fix tests

* chore: Fix failing ruff

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

* chore: Fix ruff errors

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* chore: Fix ruff errors

* chore: Fix ruff errors

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* Update cellular_automata/game_of_life.py

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* chore: Update ruff version in pre-commit

* chore: Fix ruff errors

* Update edmonds_karp_multiple_source_and_sink.py

* Update factorial.py

* Update primelib.py

* Update min_cost_string_conversion.py

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2023-07-22 12:05:10 +02:00
pre-commit-ci[bot]
c9ee6ed188
[pre-commit.ci] pre-commit autoupdate (#8853)
* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.0.275 → v0.0.276](https://github.com/astral-sh/ruff-pre-commit/compare/v0.0.275...v0.0.276)

* Update double_ended_queue.py

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* Update double_ended_queue.py

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2023-07-04 00:20:35 +02:00
Himanshu Tomar
331585f3f8
Algorithm: Calculating Product Sum from a Special Array with Nested Structures (#8761)
* Added minimum waiting time problem solution using greedy algorithm

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* ruff --fix

* Add type hints

* Added two more doc test

* Removed unnecessary comments

* updated type hints

* Updated the code as per the code review

* Added recursive algo to calculate product sum from an array

* Added recursive algo to calculate product sum from an array

* Update doc string

* Added doctest for product_sum function

* Updated the code and added more doctests

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* Added more test coverage for product_sum method

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2023-06-23 10:26:05 +02:00
Linus M. Henkel
5b0890bd83
Dijkstra algorithm with binary grid (#8802)
* Create TestShiva

* Delete TestShiva

* Implementation of the Dijkstra-Algorithm in a binary grid

* Update double_ended_queue.py

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* Update least_common_multiple.py

* Update sol1.py

* Update pyproject.toml

* Update pyproject.toml

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2023-06-22 13:49:09 +02:00
Frank-1998
b0f871032e
Fix removing the root node in binary_search_tree.py removes the whole tree (#8752)
* fix issue #8715

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2023-06-18 18:30:06 +02:00
Sundaram Kumar Jha
4a27b54430
Update permutations.py (#8102) 2023-05-31 12:56:59 +12:00
Christian Clauss
4b79d771cd
Add more ruff rules (#8767)
* Add more ruff rules

* Add more ruff rules

* pre-commit: Update ruff v0.0.269 -> v0.0.270

* Apply suggestions from code review

* Fix doctest

* Fix doctest (ignore whitespace)

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2023-05-26 09:34:17 +02:00
Christian Clauss
4c1f876567
Solving the Top k most frequent words problem using a max-heap (#8685)
* Solving the `Top k most frequent words` problem using a max-heap

* Mentioning Python standard library solution in `Top k most frequent words` docstring

* ruff --fix .

* updating DIRECTORY.md

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2023-04-27 23:02:07 +05:30
isidroas
14bdd174bb
Bloom Filter (#8615)
* Bloom filter with tests

* has functions constant

* fix type

* isort

* passing ruff

* type hints

* type hints

* from fail to erro

* captital leter

* type hints requested by boot

* descriptive name for m

* more descriptibe arguments II

* moved movies_test to doctest

* commented doctest

* removed test_probability

* estimated error

* added types

* again hash_

* Update data_structures/hashing/bloom_filter.py

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* from b to bloom

* Update data_structures/hashing/bloom_filter.py

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* syntax error in dict comprehension

* from goodfather to godfather

* removed Interestellar

* forgot the last Godfather

* Revert "removed Interestellar"

This reverts commit 35fa5f5c4b.

* pretty dict

* Apply suggestions from code review

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* Update bloom_filter.py

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2023-04-08 19:39:24 +02:00
Christian Clauss
2f9b03393c
Delete queue_on_two_stacks.py which duplicates queue_by_two_stacks.py (#8624)
* Delete queue_on_two_stacks.py which duplicates queue_by_two_stacks.py

* updating DIRECTORY.md

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2023-04-08 17:46:19 +05:30
amirsoroush
5cb0a000c4
Queue implementation using two Stacks (#8617)
* Queue implementation using two Stacks

* fix typo in queue/queue_on_two_stacks.py

* add 'iterable' to queue_on_two_stacks initializer

* make queue_on_two_stacks.py generic class

* fix ruff-UP007 in queue_on_two_stacks.py

* enhance readability in queue_on_two_stacks.py

* Create queue_by_two_stacks.py

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2023-04-08 13:41:08 +02:00
amirsoroush
63710883c8
Remove extra len calls in doubly-linked-list's methods (#8600) 2023-04-01 17:53:21 +05:30
amirsoroush
e4d90e2d5b
change space complexity of linked list's __len__ from O(n) to O(1) (#8183) 2023-04-01 08:26:43 +02:00
pre-commit-ci[bot]
3f9150c1b2
[pre-commit.ci] pre-commit autoupdate (#8294)
* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/charliermarsh/ruff-pre-commit: v0.0.255 → v0.0.257](https://github.com/charliermarsh/ruff-pre-commit/compare/v0.0.255...v0.0.257)

* Fix PLR1711 Useless  statement at end of function

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2023-03-20 22:16:13 +01:00
Christian Clauss
521fbca61c
Replace flake8 with ruff (#8184) 2023-03-16 13:31:29 +01:00
Christian Clauss
c96241b5a5
Replace bandit, flake8, isort, and pyupgrade with ruff (#8178)
* Replace bandit, flake8, isort, and pyupgrade with ruff

* Comment on ruff rules

* updating DIRECTORY.md

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2023-03-15 13:58:25 +01:00
Andrey
b797e437ae
Add hashmap implementation (#7967) 2023-03-14 01:31:27 +01:00
Christian Clauss
64543faa98
Make some ruff fixes (#8154)
* Make some ruff fixes

* Undo manual fix

* Undo manual fix

* Updates from ruff=0.0.251
2023-03-01 17:23:33 +01:00
Christian Clauss
c909da9b08
pre-commit: Upgrade psf/black for stable style 2023 (#8110)
* pre-commit: Upgrade psf/black for stable style 2023

Updating https://github.com/psf/black ... updating 22.12.0 -> 23.1.0 for their `2023 stable style`.
* https://github.com/psf/black/blob/main/CHANGES.md#2310

> This is the first [psf/black] release of 2023, and following our stability policy, it comes with a number of improvements to our stable style…

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2023-02-01 18:44:54 +05:30
Christian Clauss
08c2245705
Upgrade to flake8 v6 (#8007)
* Upgrade to flake8 v6

* updating DIRECTORY.md

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2022-11-29 16:56:41 +01:00
Mark Mayo
f32d611689
clean of unnecessary checks, imports, calls (#7993) 2022-11-21 00:00:27 +13:00
Dhruv Manilawala
8bfd1c844b
fix: mypy 0.991 issues (#7988)
* fix: mypy 0.991 issues

* fix: invalid condition for base case
2022-11-15 18:29:14 +01:00
Dhruv Manilawala
3bf86b91e7
fix: no implicit optional (#7984) 2022-11-15 14:55:14 +01:00
Alexander Pantyukhin
7b2eca0243
add distribute coins (#7975)
* add distribute coins

* updating DIRECTORY.md

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* fix review notes

* fix typehint

* fix type in TreeNode

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2022-11-10 15:49:38 +13:00
Caeden Perelli-Harris
daa1c7529a
Raise error not string (#7945)
* ci: Add `B023` to `.flake8` ignores

* refactor: Return `bool`/raise Exception

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* revert: Remove previous branch commit

* Update data_structures/binary_tree/segment_tree_other.py

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* feat: Apply `__repr__` changes

* chore: Fix failing tests

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* test: Fix doctests

* random.choice(population_score[:N_SELECTED])[0]

* Update basic_string.py

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2022-11-06 15:54:44 +01:00
Alexander Pantyukhin
7f1a5521f4
add prefix sum (#7959)
* add prefix sum

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2022-11-04 20:30:32 +13:00
Alexander Pantyukhin
3e1cb70abf
add algorithm to check binary search tree (#7947)
* add algorithm to check binary search tree

* add tests

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2022-11-03 21:03:37 +01:00
Christian Clauss
45b3383c39
Flake8: Drop ignore of issue A003 (#7949)
* Flake8: Drop ignore of issue A003

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2022-11-02 19:20:45 +01:00
Alex de la Cruz
b2165a65fc
Added Radix Tree in data structures (#6616)
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2022-10-31 14:14:33 +01:00
Si Lam
ca923389c0
Description of Double hasing (#6467)
* Description of DOuble hasing

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Andrey
1550731cb7
Remove file-level flake8 suppression (#7844)
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2022-10-29 22:45:21 +02:00
Anshraj Shrivastava
efb4a3aee8
added algo for finding permutations of an array (#7614)
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2022-10-29 15:29:15 +02:00
Andrey
584e743422
Fix yesqa hook (#7843)
* fix yesqa hook

* Remove redundant noqa

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Christian Clauss
19bff003aa
Adopt Python >= 3.8 assignment expressions using auto-walrus (#7737)
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Caeden Perelli-Harris
25757e697c
Binary tree path sum (#7748)
* feat: Implement binary tree path sum (#7135)

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Caeden Perelli-Harris
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refactor: Indent ... for visual purposes (#7744) 2022-10-27 19:42:30 +02:00
Shubham Kondekar
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[Binary Tree] Different views of binary tree added (#6965)
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CenTdemeern1
04698538d8
Misc fixes across multiple algorithms (#6912)
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Caeden
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types: Update binary search tree typehints (#7197)
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Caeden
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Add Flake8 comprehensions to pre-commit (#7235)
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Caeden
98a4c24878
feat: Binary tree node sum (#7020) (#7162)
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Caeden
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refactor: Replace list() and dict() calls with literals (#7198) 2022-10-15 06:37:03 +05:30
Caeden
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refactor: Make code more understandable (#7196)
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Md Mahiuddin
26fe4c6539
Remove extra Semicolon (#7152) 2022-10-14 09:20:40 +02:00
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Add flake8 pluin flake8 bugbear to pre-commit (#7132)
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Caeden
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Add flake8-builtins to pre-commit and fix errors (#7105)
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GURNEET SINGH
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Binary Search Tree Inorder Traversal Algorithm (#6840)
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Caeden
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Saksham Chawla
e272b9d6a4
Add typing to data_structures/queue/queue_on_pseudo_stack.py (#7037)
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Saksham Chawla
aeb933bff5
Add typing to data_structures/hashing/hash_table.py (#7040)
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Saksham Chawla
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Add typing to data_structures/heap/heap_generic.py (#7044)
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pre-commit-ci[bot]
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[pre-commit.ci] pre-commit autoupdate (#6629)
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C21
81e30fd33c
Fix Max Fenwick Tree (#6328) 2022-09-14 09:24:55 +01:00
AmirMohammad Hosseini Nasab
f31fa4ea7e
Fenwick Tree (#6319)
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AmirMohammad Hosseini Nasab
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Add Max Fenwick Tree (#6298)
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f7c58e4c4b
Unify primality checking (#6228)
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Christian Clauss
b75a7c77f8
pre-commit autoupdate: pyupgrade v2.34.0 -> v2.37.0 (#6245)
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Vardhaman
2d5dd6f132
MAINT: Updated f-string method (#6230)
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2022-07-07 16:34:07 +02:00
Omkaar
dbee5f072f
Improve code on f-strings and brevity (#6126)
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2022-05-13 20:51:44 +08:00
Shuangchi He
e1ec661d4e
Fix some typos (#6113)
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varopxndx
10d0e4ecbf
docs: Fix quicksort & binary tree traversal doc (#4878)
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Christian Clauss
1ae5abfc3c
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Dylan Buchi
e7381b513b
[mypy] Fix type annotations in data_structures/stacks/next_greater_element.py (#5763)
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7a605766fe
[mypy] Fix type annotations in data_structures/binary_tree/red_black_tree.py (#5739)
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2021-11-04 16:38:43 +01:00
Dylan Buchi
331fe6d3bc
[mypy] Fix type annotations in data_structures/binary_tree/lowest_common_ancestor.py (#5757)
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Dylan Buchi
24731b078c
[mypy] fix type annotations in data_structures/queue/circular_queue_linked_list.py (#5749)
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Edward Nuno
94f38dd88c
[mypy] Fix type annotations for linked_stack.py (#5576)
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Dylan Buchi
7488c5070e
Fix type annotations in randomized_heap.py (#5704) 2021-10-31 11:49:34 +01:00
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99983c91ca
[mypy] Add/fix type annotations in data_structures/heap/skew_heap.py (#5634)
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Dylan Buchi
678535b5c8
[mypy] Fix type annotations in non_recursive_segment_tree (#5652) 2021-10-30 21:43:48 +02:00
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0590d736fa
[mypy] Fix type annotations in wavelet_tree.py (#5641)
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Christian Clauss
477cc3fe59
Add pyupgrade to pre-commit (#5638)
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Implement Circular Queue using linked lists. Fixes TheAlgorithms#5361 (#5587)
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Dylan Buchi
bf6db32ec2
[mypy] Fix type annotations for binary tree traversals in data structures (#5556)
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Dylan Buchi
8285913e81
[mypy] Fix and add type annotations (#5618) 2021-10-27 11:45:33 +08:00
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9a03919052
[mypy] Fix type annotations for stack_using_dll.py (#5577)
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c0ed031b3f
Fix type annotations for stack.py (#5566) 2021-10-26 20:33:08 +02:00
Limbad Yash
80a885c975
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Dylan Buchi
20e09c3ec2
[mypy] Add type annotations for linked queue in data structures (#5533)
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Edward Nuno
11ec2fd3fb
[mypy] Fix type annotations for trie.py (#5022)
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Sherman Hui
629848e372
[mypy] Fix type annotations in data_structures/binary_tree (#5518)
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Sherman Hui
b373c991f6
[mypy] fix: fix mypy error in trie.py(#5516) 2021-10-22 11:40:17 +08:00
Sherman Hui
9153db2d27
[mypy] fix: fix mypy error in singly_linked_list.py (#5517)
The list comprehension shortcut was implicitly expecting a return
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Benjamín García Roqués
2e955aea46
Replace double_ended_queue.py (#5429)
* Add deque_from_scratch.py

* added deque_from_scratch.py

* add extend, extendleft and make comparison

* updated operations list

* fix doctest on Deque.__iter__

* pre-commit fix

* time complexity comments, change type hints

* pre-commit fix

* added more doctests
2021-10-21 11:38:04 +08:00
Immiel
2e2e1b656c
singly_linked_list: Added additional documentation, type hints and test cases (#4988)
This is a followup to https://github.com/TheAlgorithms/Python/pull/4973#issuecomment-933117382

As per given suggestion, I've added type hints to certain methods that don't have them.  I have also added documentation and example doctests as a usage example for (most of) those that don't have them.

I have also added another test case following the previous test case's format. I noticed that the existing test case from previous pull request might be redundant with the ones I've made, so I decided to create a specific situation where the linked list would have to keep different kinds of data types for each node, in `test_singly_linked_list_2` test function.

Some minor changes in strings has been done to keep things consistent with other parts of the document. If it is undesirable, please let me know.
2021-10-20 16:08:39 +08:00
Alvin Philips
d32d0158a3
Fixed typo (#5439)
Changed it's (it is) to its
2021-10-19 21:39:15 +02:00
scfenton6
abaa0d754b
Add type annotations (#4814) 2021-10-12 00:34:30 +08:00
Parth Satodiya
d324f91fe7
Fix mypy errors for data_structures->linked_list directory files (#4927) 2021-10-07 23:18:23 +08:00
Jogendra Singh
5d02103b27
Fixed #4764 (#4779)
* Fixed #4764

* Fixes #4764
2021-09-24 12:54:38 +02:00
Christian Clauss
cecf43d648
Pyupgrade to Python 3.9 (#4718)
* Pyupgrade to Python 3.9

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2021-09-07 13:37:03 +02:00
Aniruddha Bhattacharjee
b743e44259
Wavelet tree (#4267)
* Added the matrix_exponentiation.py file in maths directory

* Implemented the requested changes

* Update matrix_exponentiation.py

* resolve merge conflict with upstream branch

* add new line at end of file

* add wavelet_tree

* fix isort issue

* updating DIRECTORY.md

* fix variable names in wavelet_tree and correct typo

* Add type hints and variable renaming

* Update data_structures/binary_tree/wavelet_tree.py

Add doctests to placate the algorithm-bot, thanks to @cclauss.

Co-authored-by: Christian Clauss <cclauss@me.com>

* Move doctest to individual functions and reformat code

* Move common test array to the global scope and reuse in tests

* MMove test array to global scope and minor linting changes

* Correct the failing pytest tests

* MUse built-in list for type annotation

* Update wavelet_tree.py

* types-requests

* updating DIRECTORY.md

* Update wavelet_tree.py

* # type: ignore

* # type: ignore

* Update decrypt_caesar_with_chi_squared.py

* ,

* Update decrypt_caesar_with_chi_squared.py

Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Aniruddha Bhattacharjee <aniruddha@Aniruddhas-MacBook-Air.local>
2021-06-08 22:49:33 +02:00
Ahmed Haj Abdel Khaleq
deb71167e7
[mypy] Fix type annotations for linked_stack.py, evaluate_postfix_notations.py, stack.py in data structures (#4409)
* [mypy] Fix type annotations for linked_stack.py, next_greater_element.py, stack.py

* Reformatted files according to black
2021-05-12 08:22:42 +02:00
Dhruv Manilawala
6f21f76696
fix(ci): Update pre-commit hooks and apply new black (#4359)
* fix(ci): Update pre-commit hooks and apply new black

* remove empty docstring
2021-04-26 07:46:50 +02:00