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24 Commits

Author SHA1 Message Date
Dylan Buchi
99983c91ca
[mypy] Add/fix type annotations in data_structures/heap/skew_heap.py (#5634) 
* Add abstract base class Comparable

* [mypy] Fix type annotations (strict mode)

* Fix a typo

* Remove Comparable class and set bound to bool
 2021-10-31 09:38:24 +01:00
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
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
Mark Huang
207ac957ef
[mypy] Add type hints and docstrings to heap.py (#3013) 
* Add type hints and docstrings to heap.py

- Add type hints
- Add docstrings
- Add explanatory comments 
- Improve code readability
- Change to use f-string

* Fix import sorting

* fixup! Format Python code with psf/black push

* Fix static type error

* Fix failing test

* Fix type hints

* Add return annotation

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
 2020-12-26 08:42:37 +05:30
Christian Clauss
9b95e4f662
Pyupgrade to python3.8 (#3616) 
* Upgrade to Python 3.8 syntax

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-10-21 12:46:14 +02:00
Phil Bazun
e3c07f987f
Add skew heap data structure. (#3238) 
* Add skew heap data structure.

* fixup! Add skew heap data structure.

* fixup! Add skew heap data structure.

* fixup! Add skew heap data structure.

* Add tests.

* Add __iter__ method.

* fixup! Add __iter__ method.
 2020-10-14 12:35:53 +02:00
Phil Bazun
f0aa63f0f9
Add randomized heap. (#3241) 2020-10-14 12:17:02 +02:00
Dhruv
48357cea5b
Add __init__.py files in all the directories (#2503) 2020-09-28 19:42:36 +02:00
Sumuk Shashidhar
e2ee52d773
removed redundant data_structures folder (#2256) 2020-07-31 20:36:02 +02:00
Palash Sharma
ee282d3687
Update min_heap.py (#2245) 
Changed min head to min heap in the first line.
 2020-07-28 07:55:35 +02:00
Christian Clauss
1f8a21d727
Tighten up psf/black and flake8 (#2024) 
* Tighten up psf/black and flake8

* Fix some tests

* Fix some E741

* Fix some E741

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-05-22 08:10:11 +02:00
halilylm
1151d8b157
Add type hints to max_heap.py (#1960) 
* Max heap implementation

* Update max_heap.py

* Update max_heap.py

* Update max_heap.py

* __len__ method added

* Update max_heap.py

Co-authored-by: halilpython <65048618+halilpython@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-11 12:23:39 +02:00
Christian Clauss
bfcb95b297
Create codespell.yml (#1698) 
* fixup! Format Python code with psf/black push

* Create codespell.yml

* fixup! Format Python code with psf/black push
 2020-01-18 13:24:33 +01:00
lanzhiwang
fc4c0f5bfd implement max heap and more pythonic (#1685) 
* implement max heap and more pythonic

* add doctests for heap
 2020-01-14 12:16:11 +01:00
Christian Clauss
5df8aec66c
GitHub Action formats our code with psf/black (#1569) 
* GitHub Action formats our code with psf/black

@poyea Your review please.

* fixup! Format Python code with psf/black push
 2019-11-14 19:59:43 +01:00
himanshujain171
53ff735701 Factors of a number (#1493) 
* Factors of a number

* Update factors.py

* Fix mypy issue in basic_maths.py

* Fix mypy error in perceptron.py

* def primes(max: int) -> List[int]:

* Update binomial_heap.py

* Add a space

* Remove a space

* Add a space
 2019-10-29 23:54:30 +01:00
William Zhang
9eac17a408 psf/black code formatting (#1277) 2019-10-05 10:14:13 +05:00
Raj
6ac7b1387f Min head with decrease key functionality (#1202) 
* Min head with decrease key functionality

* doctest added

* __str__ changed as per Python convention

* edits in doctest

* get_value by key added

* __getitem__ added
 2019-09-26 00:03:31 +02:00
Denis Trofimov
04962c0d17 Fix lgtm error display #1024 (#1190) 
* fix: Syntax Error lgtm display in matrix/matrix_operation.py.

* Testing for None should use the 'is' operator.

* fix: Too many arguments for string format.

* fix: supress lgtm alert as false positive.

* style: Unnecessary 'pass' statement.

* Revert "fix: Syntax Error lgtm display in matrix/matrix_operation.py."

This reverts commit 4c629b4ce1.
 2019-09-21 16:23:34 +02:00
KirilBangachev
f31a812c46 Add Binomial Heap (#1146) 
* Binomial Heap

Implementation of Binomial Heap. Reference: Advanced Data Structures, Peter Brass

* Update binomial_heap.py

* Update binomial_heap.py

* Update binomial_heap.py

- Fuller documentation of binomial heap
- Update unit tests
- Replace printing method by overwriting __str__()

* Update binomial_heap.py

- Added more tests
- Added to the documentation
- Stylistic editing
- mergeHeaps now also returns a reference to the merged heap
- added a preOrder function that returns a list with the preorder of the heap

* Update binomial_heap.py

Changed the unit tests structure

* Turned the tests into doctests
 2019-09-05 07:58:37 +02:00
Christian Clauss
47a9ea2b0b
Simplify code by dropping support for legacy Python (#1143) 
* Simplify code by dropping support for legacy Python

* sort() --> sorted()
 2019-08-19 15:37:49 +02:00
Akash Ali
6f6510623c Update heap.py (#726) 
Added comments for the better understanding of heap.
 2019-03-04 16:49:36 +08:00
Yasser A
840aa6209b fix division by float issue in range heap.py 2018-11-06 17:19:51 -05:00
Alex Brown
564179a0ec increment 1 2018-10-19 07:48:28 -05:00