Commit Graph

412 Commits

Author SHA1 Message Date
dekomori_sanae09
c38b222212
serialize deserialize binary tree (#9625)
* added serialize and desrialize bin tree

* format files

* added type hints

* added type hints

* Use dataclass .__eq__(), .__iter__(), and .__repr__()

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Co-authored-by: Christian Clauss <cclauss@me.com>
2023-10-30 00:07:21 +01:00
Suyash Dongre
67c85ee289
Added doctest to hash_map.py (#11082)
* Added doctest to heap.py

* Added doctest to hash_map.py

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* Update hash_map.py

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2023-10-29 17:01:54 +01:00
Suyash Dongre
b51b833e0a
Added doctest to heap.py (#11059) 2023-10-28 21:43:20 +02:00
Khushi Shukla
185a35589a
Create monotonic_array.py (#11025)
* Create monotonic_array.py

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* Update monotonic_array.py

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2023-10-27 12:42:34 -04:00
Suyash Dongre
f336cca8f8
Added doctest to double_hash.py (#11020)
* Added doctest to double_hash.py

* Update double_hash.py
2023-10-27 12:40:42 -04:00
Suyash Dongre
34eb9c529a
Added doctest to hash_table.py (#11023)
* Added doctest to hash_table.py

* Update hash_table.py

* Update hash_table.py

* Update hash_table.py

* Update hash_table.py

* Apply suggestions from code review

* Update hash_table.py

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2023-10-27 14:36:43 +02:00
Suyash Dongre
fe4aad0ec9
Added doctest & docstring to quadratic_probing.py (#10996)
* Added doctest & docstring to quadratic_probing.py

* Update quadratic_probing.py

* Update quadratic_probing.py
2023-10-26 17:21:45 +02:00
Ed
a8dfd403f6
Add new algorithm index_2d_array_in_1d (#10973)
* Add new algorithm index_2d_array_in_1d

* Add doctest for iter function

* The power of dataclasses

* Update index_2d_array_in_1d.py

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2023-10-26 16:33:42 +02:00
Suyash Dongre
29b8ccdc2f
Added doctest to hash_table.py (#10984) 2023-10-26 14:12:28 +02:00
Neha
6497917352
Added Kth largest element algorithm (#10687)
* neha3423

* neha3423

* neha3423

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* neha3423

* neha3423

* neha3423

* neha3423

* Added test case for tuple

* Update kth_largest_element.py

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2023-10-26 10:54:30 +02:00
AdityaAtoZ
3d0a409ce1
Improved Equilibrium Index of an Array. (#10899)
* Improved Equilibrium Index of an Array.

This is the modifications made to the original code:

1. Create Doctest Instructions: Python "doctest" can be executed by running the following command: python -m doctest -v equilibrium_index.py.

2. Deleted Argument {size}: Deleted the `size` argument because `len(arr)} allows the array's length to be determined inside the function, simplifying and improving the readability of the function signature.

3. Used {enumerate}: To improve code readability and indicate that we're working with element-index pairs, we iterated through the array using both elements and their indices using the `enumerate` function.

4. Optimized the Loop: To prevent pointless additions, the loop was improved by initializing {left_sum} with the value of the first element (arr[0]). Furthermore, since the beginning and last items (0 and size - 1) cannot be equilibrium indices, there is no need to check them, saving further computations.

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2023-10-25 16:33:35 -04:00
Christian Clauss
c2c6cb0f5c
Add dataclasses to binary_search_tree.py (#10920) 2023-10-25 16:28:23 -04:00
Christian Clauss
eb17fcf8f5
Use dataclasses in circular_linked_list.py (#10884)
* Use dataclasses in circular_linked_list.py

* updating DIRECTORY.md

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2023-10-24 08:45:36 -04:00
Gourav Raj
481aff7928
Add Mirror a Binary Tree solution (#9534)
* Add `Invert a Binary Tree` solution

* Add type

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* Add `doctest`

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* Add `test` to `get_tree_inorder`

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* Add `test` changes

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* Fix lint errors

* Fix precommit errors

* Update and rename invert_binary_tree.py to mirror_binary_tree.py

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2023-10-24 09:54:38 +02:00
Aqib Javid Bhat
30122062b9
Add Floyd's Cycle Detection Algorithm (#10833)
* Add Floyd's Cycle Detection Algorithm

* Add tests for add_node function

* Apply suggestions from code review

* Update floyds_cycle_detection.py

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2023-10-23 13:56:43 -04:00
Precious C. Jacob
c92e86bd79
Add tests to data_structures/linked_list/swap_nodes.py (#10751)
* Added doctests to the swap_nodes file under linkedlist data structure

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* Added doctests to the swap_nodes file under linkedlist data structure

* Added doctests to the swap_nodes file under linkedlist data structure

* Added doctests to the swap_nodes file under linkedlist data structure

* Update swap_nodes.py

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2023-10-22 01:33:49 +02:00
Christian Clauss
26ffad9d17
Simplify is_bst.py (#10627)
* Simplify is_bst.py

* updating DIRECTORY.md

* Update is_bst.py

* Rename is_bst.py to is_sorted.py

* updating DIRECTORY.md

* Update data_structures/binary_tree/is_sorted.py

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2023-10-19 13:31:51 -04:00
Anubhavpandey27
09c2b2d006
Add arrays/sudoku_solver.py (#10623)
* Create Sudoku_Solver

Each of the digits 1-9 must occur exactly once in each row.
Each of the digits 1-9 must occur exactly once in each column.
Each of the digits 1-9 must occur exactly once in each of the 9 3x3 sub-boxes of the grid.
The '.' character indicates empty cells.

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* Rename Sudoku_Solver to sudoku_solver.py

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* Update sudoku_solver.py

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2023-10-17 19:07:40 +02:00
aryandgandhi
b5786c87d8
update segmenttree docstrings Fixes #9943 (#9975)
* update docstrings

* update docstrings

* update docstrings
2023-10-17 03:25:07 +02:00
Adarsh Sidnal
fcea18c9f0
Added an algorithm transfrom bst to greater sum tree (#9777)
* Added an algorithm transfrom bst to greater sum tree

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* Update and rename transform_bst_sum_tree.py to is_sum_tree.py

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2023-10-17 00:56:14 +02:00
halfhearted
1e468c1028
Floor and ceil in Binary search tree added (#10432)
* earliest deadline first scheduling algo added

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* earliest deadline first scheduling algo added

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* ceil and floor and bst

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* ceil and floor and bst 2

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* ceil and floor and bst 3

* Update and rename floor_ceil_in_bst.py to floor_and_ceiling.py

* Delete scheduling/shortest_deadline_first.py

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2023-10-16 19:12:33 +02:00
Vinayak Upadhyay
778e2010d6
Added functionality to calculate the diameter of given binary tree (#10526)
* Added code to find diameter of given binary tree

* Modified diameter_of_binary_tree file

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* Update diameter_of_binary_tree.py

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* Update diameter_of_binary_tree.py

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2023-10-16 18:46:44 +02:00
Saswat Susmoy
c15dda405a
Update basic_binary_tree.py (#10388)
* Update basic_binary_tree.py

* Update basic_binary_tree.py

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2023-10-16 16:43:53 +02:00
Christian Clauss
7acf4bf73b
Rename binary_tree_traversals.md to README.md (#10599) 2023-10-16 10:16:09 -04:00
hollowcrust
3d6f3c4188
Added data_structures/arrays/sparse_table.py (#10437)
* Create sparse_table.py

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* Descriptive names for variables

* Fix ruff check error

* Update sparse_table.py

* Add comments, change variable names

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* Fix typo

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2023-10-15 22:13:27 +02:00
K Anamithra
b2636d90b3
added implementing stack using two queues (#10076)
* added implementing stack using two queues

* Update Stack using two queues

* Update stack_using_two_queues.py

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2023-10-15 18:41:29 +02:00
Pranavkumar Mallela
b94cdbab1a
add find triplets with 0 sum (3sum) (#10040)
* add find triplets with 0 sum (3sum)

* Update find_triplets_with_0_sum.py

* Update find_triplets_with_0_sum.py

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2023-10-12 21:51:53 +02:00
Siddharth Warrier
09ce6b23d7
Count pairs with given sum (#10282)
* added power_of_4

* deleted power_of_4

* added pairs_with_given_sum

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2023-10-12 11:08:55 +02:00
Christian Clauss
3f094fe49d
Ruff pandas vet (#10281)
* Python linting: Add ruff rules for Pandas-vet and Pytest-style

* updating DIRECTORY.md

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2023-10-11 14:30:02 -04:00
hollowcrust
672fda9130
Fix bug and edit doctests for infix_to_prefix_conversion (#10259)
* Fix bug and edit doctests

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* Add type hints, raiseError and other minor adjustments

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hollowcrust
5be5d21bed
Add tests for infix_2_postfix() in infix_to_prefix_conversion.py (#10095)
* Add doctests, exceptions, type hints and fix bug for infix_to_prefix_conversion.py

Add doctests
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Add type hints for functions
Fix a bug on line 53 (57 in PR)

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* Change type hints in infix_to_prefix_conversion.py

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2023-10-10 18:52:53 +02:00
Christian Clauss
844270c6e9
Remove backslashes from is_palindrome.py (#10169)
@SaiHarshaK Fixes https://github.com/TheAlgorithms/Python/pull/10081#discussion_r1349651289
2023-10-10 06:42:07 +13:00
Sai Harsha Kottapalli
12e8e9ca87
Add DocTests to is_palindrome.py (#10081)
* add doctest ut

* test complete

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* format

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* use dataclass

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2023-10-09 14:06:16 +02:00
halfhearted
2d02500332
equilibrium index in an array (#9856)
* equilibrium index in an array

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* equilibrium index in an array

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2023-10-09 08:44:49 +13:00
Christian Clauss
d0c54acd75
Use dataclasses in singly_linked_list.py (#9886) 2023-10-06 15:31:11 +13:00
JeevaRamanathan
17af644449
Symmetric tree (#9871)
* symmectric tree

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* removed trailing spaces

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* doc test added for symmetric, asymmetric

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2023-10-06 02:00:58 +02:00
Christian Clauss
5869fda742
print reverse: A LinkedList with a tail pointer (#9875)
* print reverse: A LinkedList with a tail pointer

* updating DIRECTORY.md

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2023-10-06 10:55:13 +13:00
Wei Jiang
55ee273419
[bug fixing] Edge case of the double ended queue (#9823)
* fix the edge case of the double ended queue pop the last element

* refactoring doc

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2023-10-05 10:00:48 -04:00
Bama Charan Chhandogi
d5806258d4
add median of two sorted array (#9386)
* add median of two sorted array

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2023-10-04 20:18:59 +02:00
halfhearted
d74349793b
Arunsiva003 patch 1 flatten tree (#9695)
* infix to prefix missing feature added

* infix to prefix missing feature added

* infix to prefix missing feature added

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* infix to prefix missing feature added (comments)

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* newly updated infix_to_prefix

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* from the beginning

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* flatten binary tree to linked list - 1

* flatten binary tree to linked list final

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* review updated

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2023-10-04 18:39:28 +02:00
Tianyi Zheng
dfdd78135d
Fix mypy errors in circular_linked_list.py and swap_nodes.py (#9707)
* updating DIRECTORY.md

* Fix mypy errors in circular_linked_list.py

* Fix mypy errors in swap_nodes.py

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2023-10-04 18:05:00 +02:00
Siddhant Totade
3fd3497f15
Add Comments (#9668)
* docs : add comment in circular_linked_list.py and swap_nodes.py

* docs : improve comments

* docs : improved docs and tested on pre-commit

* docs : add comment in circular_linked_list.py and swap_nodes.py

* docs : improve comments

* docs : improved docs and tested on pre-commit

* docs : modified comments

* Update circular_linked_list.py

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* Update requirements.txt

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* Apply suggestions from code review

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2023-10-04 11:25:26 +02:00
Bama Charan Chhandogi
e798e5acde
add reverse k group linkedlist (#9323)
* add reverse k group linkedlist

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* update

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2023-10-02 02:19:39 +02:00
aryan1165
18cdbc4165
binary_search_traversals.py made memory-friendly using generators. Fixes #8725 completely. (#9237)
* Made binary tree memory-friendly using generators based travels. Fixes
#8725

* Made binary tree memory-friendly using generators based travels. Fixes
#8725

* Fixed pre-commit errors
2023-10-01 12:54:05 -04:00
Muhammad Umer Farooq
bacad12a1f
[NEW ALGORITHM] Rotate linked list by K. (#9278)
* Rotate linked list by k.

* Rotate linked list by k.

* updated variable name.

* Update data_structures/linked_list/rotate_linked_list_by_k.py

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* Update data_structures/linked_list/rotate_linked_list_by_k.py

* Make Node a dataclass

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2023-10-01 18:11:16 +02:00
aryan1165
eaa87bd791
Made binary tree memory-friendly using generators based travels. Fixes (#9208)
#8725
2023-10-01 04:43:48 -04:00
aryan1165
320d895b86
Fixed permute_recursive() by passing nums.copy(). Fixes #9014 (#9161)
* Fixes #9014

* Fixed permute_recursive() by passing nums.copy()
2023-10-01 00:06:15 -04:00
Saksham Saha
c9b4b8002f
Added an add at position subroutiune to linked list (#9020)
* added addAtPosition to simple linked list

* added addAtPosition to simple linked list

* modified the add function to take an optional position command

* fixed type safety errors:

* fixed type safety errors:

* fixed type safety errors:

* fixed type safety errors:

* fixed size error

* fixed size error

* added doctest and updates the else after checking if posiiton argument less than 0 or not

* added doctest and updates the else after checking if posiiton argument less than 0 or not

* fixed the contributing.md mistake

* added doctest for out of bounds position value, both negative and positive
2023-09-08 08:20:28 -04:00
pre-commit-ci[bot]
421ace81ed
[pre-commit.ci] pre-commit autoupdate (#9013)
* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.0.285 → v0.0.286](https://github.com/astral-sh/ruff-pre-commit/compare/v0.0.285...v0.0.286)
- [github.com/tox-dev/pyproject-fmt: 0.13.1 → 1.1.0](https://github.com/tox-dev/pyproject-fmt/compare/0.13.1...1.1.0)

* updating DIRECTORY.md

* Fis ruff rules PIE808,PLR1714

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2023-08-29 15:18:10 +02:00
Arijit De
0a9438071e
Updated postfix_evaluation.py to support Unary operators (#8787)
* Updated postfix_evaluation.py to support Unary operators and floating point numbers Fixes #8754 and #8724

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* Fixed return type hinting required by pre commit for evaluate function

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* Changed line 186 to return only top of stack instead of calling the get_number function as it was converting float values to int, resulting in data loss. Fixes #8754 and #8724

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* Made the requested changes

Also changed the code to make the evaluate function first convert all the numbers and then process the valid expression.

* Fixes #8754, #8724 Updated postfix_evaluation.py

postfix_evaluation.py now supports Unary operators and floating point numbers.
Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724. Added a doctest example with unary operator.

* Fixes #8754, #8724 Updated postfix_evaluation.py

postfix_evaluation.py now supports Unary operators and floating point numbers.
Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724. Added a doctest example with unary operator.

* Fixes #8754, #8724 Updated the parse_token function of postfix_evaluation.py

ostfix_evaluation.py now supports Unary operators and floating point numbers.
Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724. Added a doctest example with unary operator and invalid expression.

* Fixes #8754, #8724 Updated postfix_evaluation.py

postfix_evaluation.py now supports Unary operators and floating point numbers.
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2023-08-23 14:36:59 +02:00