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198 Commits

Author SHA1 Message Date
ryuta69
9ec71cbdda
Add merge insertion sort (#2211) 
* Add merge insertion sort

* Fix python naming conventions

* Add wikipedia link

* Add type hint

* Fix python to python3

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

* Refactor doubled process in if-condition into one outside of if-condition

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

* Refactor make python3 prior to python

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

* Fix name of is_surplus into has_last_odd_item

* Add comment

* Fix long comment to shorten

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-07-20 22:42:08 +05:30
Christian Clauss
5f4da5d616
isort --profile black . (#2181) 
* updating DIRECTORY.md

* isort --profile black .

* Black after

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-07-06 09:44:19 +02:00
mateuszz0000
b0c3c0fbf6
Typehints + refactor (#2154) 2020-06-25 09:48:52 +02:00
mateuszz0000
9e2206e5fb
Added doctests to OddEvenTraposition (#2152) 
* Added doctests

* Change __main__ content
 2020-06-25 08:56:57 +02:00
Christian Clauss
5b6ebf8f12
Add doctests to radix_sort() (#2148) 
* Add doctests to radix_sort()

* fixup! Format Python code with psf/black push

* Update radix_sort.py

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-06-23 15:37:24 +02:00
mateuszz0000
d7a75da8ef
Added doctests to bucket sort (#2079) 
* Added doctests to bucket sort

* Missing typehint

* Wrap long lines

* updating DIRECTORY.md

* Update bucket_sort.py

* updating DIRECTORY.md

* Update bucket_sort.py

Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-06-17 09:42:44 +02:00
Christian Clauss
9316e7c014
Set the Python file maximum line length to 88 characters (#2122) 
* flake8 --max-line-length=88

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-06-16 10:09:19 +02:00
mateuszz0000
6752e9c737
Remove boilerplate comments and unused variables (#2073) 2020-06-07 23:05:22 +02:00
mateuszz0000
20b21e5ec9
Refactor cycle_sort (#2072) 
* Refactor cycle_sort

* Undo changes to keep only doctests
 2020-06-05 09:13:43 +02:00
mateuszz0000
b080a5e027
Doctests + typehints in cocktail shaker sort (#2061) 
* Doctests in cocktail shaker sort

* import doctest

* print(f"{cocktail_shaker_sort(unsorted) = }")

Co-authored-by: John Law <johnlaw.po@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-06-02 11:51:22 +02:00
KDH
4768735668
Enhance shell sort syntax (#2035) 2020-05-26 04:18:03 +02:00
mateuszz0000
a15f82579d
Added bead sort (#2022) 
* Added bead sort

* Commit suggestion

* Added checking before sort

* Bead sort only works for sequences of nonegative integers

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-22 09:41:40 +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
Erwin Lejeune
21ed8968c0
Fixes in Bidirectional A* (#2020) 
* implement bidirectional astar

* add type hints

* add wikipedia url

* format with black

* changes from review

* fix collision check

* Add testmod()

* # doctest: +NORMALIZE_WHITESPACE

* Codespell: euclidean

* Codespell: coordinates

* Codespell: traversal

* Codespell: remaining

Co-authored-by: John Law <johnlaw.po@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-21 21:50:52 +02:00
mateuszz0000
bc8e8f03fd
Added strand sort (#1982) 
* Added strand sort

* Review changes

* Remove boilerplate code

* Fixed flake error: E252

* Added missing return type hint
 2020-05-17 22:48:39 +02:00
Aman Gupta
ba8b156fdc
Iterative merge sort implementation (#1972) 
* Added Iterative merge sort

* Added iterative merge sorts

* Update changes

* Add the ability to sort strings

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-11 16:40:02 +02:00
Maxim R
369562a1e8
Upgrades to caesar_cipher.py (#1958) 
* Added more flexibility to functions, decreased amount of repeating code

* Added docstrings

* Updated input functions

* Added doctests

* removed test piece of code

* black .

* Updated caesar cipher standard alphabet to fit python 3.8

* Update and rename sleepsort.py to sleep_sort.py

* Or 4

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-08 07:44:07 +02:00
Arvind Krishna
9e5f365fed
Add sleep-sort (#1867) 
* added sleepsort

Adding sleepsort

* Add doctest and typing for sleepsort

* Use self-descriptive variable name

* Update sleepsort.py

* Update sorts/sleepsort.py

Co-authored-by: John Law <johnlaw.po@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-05-07 21:44:34 +02:00
Christian Clauss
b1377f0e57
autoblack: actions/checkout@v1 # Use v1, NOT v2 (#1796) 
* autoblack: actions/checkout@v1  # Use v1, NOT v2

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
 2020-03-13 09:23:38 +01:00
matkosoric
7f04e5cd34
contribution guidelines checks (#1787) 
* spelling corrections

* review

* improved documentation, removed redundant variables, added testing

* added type hint

* camel case to snake case

* spelling fix

* review

* python --> Python # it is a brand name, not a snake

* explicit cast to int

* spaces in int list

* "!= None" to "is not None"

* Update comb_sort.py

* various spelling corrections in documentation & several variables naming conventions fix

* + char in file name

* import dependency - bug fix

Co-authored-by: John Law <johnlaw.po@gmail.com>
 2020-03-04 13:40:28 +01:00
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
Christian Clauss
b492e64417 Create pull_request_template.md (#1684) 
* Create pull_request_template.md

* fixup! Format Python code with psf/black push

* Update pull_request_template.md

* updating DIRECTORY.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update pull_request_template.md

* Typos and formatting

Co-authored-by: John Law <johnlaw.po@gmail.com>
 2020-01-14 02:56:06 +08:00
shrabian
75523f9c1a A recursive insertion sort (#1683) 
* A recursive insertion sort

* added doctests and typehints
 2020-01-13 21:52:18 +05:30
Christian Clauss
1f2b1a88ab Typos in comments in hill_climbing.py (#1667) 
* Typos in comments in hill_climbing.py

* fixup! Format Python code with psf/black push
 2020-01-08 21:06:53 +08:00
harsh patel
d4fc55c5fc Add files via upload (#1657) 2020-01-04 16:03:55 +01:00
Christian Clauss
28419cf839 pyupgrade --py37-plus **/*.py (#1654) 
* pyupgrade --py37-plus **/*.py

* fixup! Format Python code with psf/black push
 2020-01-03 22:25:36 +08:00
Samarth Sehgal
02b717e364 Update odd_even_transposition_parallel.py (#1458) 
* Update odd_even_transposition_parallel.py

* arr = OddEvenTransposition(arr)
 2019-12-08 23:43:56 +01:00
Níkolas Vargas
938dd0bbb5 improved prime numbers implementation (#1606) 
* improved prime numbers implementation

* fixup! Format Python code with psf/black push

* fix type hint

* fixup! Format Python code with psf/black push

* fix doctests

* updating DIRECTORY.md

* added prime tests with negative numbers

* using for instead filter

* updating DIRECTORY.md

* Remove unused typing.List

* Remove tab indentation

* print("Sorted order is:", " ".join(a))
 2019-12-07 06:39:08 +01:00
SHAKTI SINGH
ccc1ff2ce8 pigeonhole sorting in python (#364) 
* pigeonhole sorting in python

* variable name update in pigeonhole_sort.py

* Add doctest
 2019-12-06 07:34:21 +01:00
Bardia Alavi
494fb4fb49 address merge_soft duplicate files (#1612) 
Here the old file merge_sort_fastest is renamed to unknown_sort. Because it is not merge sort algorithm.

Comments are updated accordingly.
 2019-12-05 05:06:41 +01:00
Metehan
62e51fe487 recursive quick sort (#1536) 
* recursive quick sort

* recursive quick sort

* Delete recursive-quick-sort

* Update recursive-quick-sort.py
 2019-10-31 19:49:25 +01:00
Ankur Chattopadhyay
7592cba417 psf/black code formatting (#1421) 
* added sol3.py for problem_20

* added sol4.py for problem_06

* ran `black .` on `\Python`
 2019-10-22 19:13:48 +02:00
anubhav-sharma13
ce7faa5a3a Largest subarray sum (#1404) 
* Insertion_sort

* largest subarray sum

* updated print command

* removed extraspaces

* removed sys.maxint

* added explaination

* Updated function style

* Update largest_subarray_sum.py

* Update i_sort.py

* Delete bogo_bogo_sort.py
 2019-10-22 09:30:11 +02:00
Sujitkumar Singh
38d7e7073a The time complexity of every algorithms make its value (#1401) 
* added timer in bubble sort

* Updated time of execution

* import time in main only

* Update bubble_sort.py

* start = time.process_time()
 2019-10-19 22:12:54 +02:00
ayush246
ab65a3915c Double sort (Added with required updates) (#1399) 
* Added with required updates

* Updated

* required updates

* Update double_sort.py

* Update double_sort.py
 2019-10-19 12:38:15 +02:00
Phyllipe Bezerra
455509acee Add Topological Sort (#1302) 
* add topological sort

* fix topological sort?

* running black

* renaming file
 2019-10-18 08:13:58 +02:00
Du YuanChao
e80d248e65 optimization (#1303) 2019-10-08 13:25:00 +05:00
mvhb
067a9b5136 adding input option and increasing the number of doctest (#1281) 
* adding input option and incresing the number of doctest

* mixing positive and negative numbers in the same test case
 2019-10-06 23:55:55 +05:00
William Zhang
9eac17a408 psf/black code formatting (#1277) 2019-10-05 10:14:13 +05:00
William Zhang
0e333ae021 added bogobogosort (#1258) 
* added bogobogosort

* fix indentation error
 2019-10-03 11:17:30 +02:00
Parth Paradkar
390feb0b23 Add doctests for sorting algorithms (#1263) 
* doctests and intro docstring added

* doctests, docstrings and check for empty collection added

* Intro docstring added

* python versions reversed
 2019-10-03 10:19:11 +02:00
Charitoc
2375bfbee5 Adding stooge sort (#1206) 
* Adding stooge sort

* Updated doctest

* Just added underscore in the name
 2019-09-26 17:19:01 +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
FrogBattle
e58a5e6842 Update tim_sort.py (#972) 
* Update tim_sort.py


Update tim_sort.py

The previous algorithm was skipping numbers, according to issue #959, and my own tests.
The version I am applying uses a while loop, which works correctly and is easier to compute, as there is no break statement.

* Update tim_sort.py
 2019-07-30 18:06:48 +02:00
obelisk0114
1dc9ec8fb2 Update Bucket Sort time complexity analysis (#918) 2019-07-12 23:16:14 +08:00
Alfonso Rodríguez Pereira
5f991f7740 #315 Renamed all files to snake_case (#993) 2019-07-11 11:16:42 +02:00
cclauss
b7f13d991c Travis CI: Run black, doctest, flake8, mypy, and pytest (#964) 
* Travis CI: Add type checking with mypy

* Create requirements.txt

* script: mypy --ignore-missing-stubs=cv2,numpy .

* Delete requirements.txt

* script: mypy --ignore-missing-imports .

* Run doctests

* Disable doctest -v other/detecting_english_programmatically.py

* Pytest

* No |

* pytest || true

* Run black doctest flake8 mypy pytest

* after_success: Build Directory.md

* Typo in filename: Dictionary.txt --> dictionary.txt'

Discovered via doctest run in #964

* python -m doctest -v

* pip install black flake8 mypy pytest

* pytest --doctest-glob='*.py'

* pytest --doctest-modules

* pytest --doctest-modules ./sorts

* pytest --doctest-modules ./ciphers ./other ./searches ./sorts ./strings || true

* if __name__ == "__main__":

* if __name__ == "__main__":

* if __name__ == '__main__':

* if __name__ == '__main__':

* if __name__ == '__main__':

* Create requirements.txt

* Update requirements.txt

* if __name__ == "__main__":

* Lose the doctests

* if __name__ == '__main__':

* Remove print-a-tuple

* doctest: Added missing spaces

* Update tabu_search.py

* The >>> are not doctests so change to >>)

* Travis CI: Run black, doctest, flake8, mypy, and pytest

* Link to the separate DIRECTORY.md file

* Update README.md
 2019-07-08 23:27:51 +08:00
Anup Kumar Panwar
4e413c0183 Updated README 2019-07-06 11:11:20 +05:30
PatOnTheBack
217615abf6 Removed Unused Variables (#949) 
- Removed two unused variables.
- Changed `a` to `_` since the `a` variable is never used.

This addresses [3 alerts from lgtm](d55bbcd204/files/sorts/Odd-Even_transposition_parallel.py).
 2019-07-05 14:04:46 +05:30
Ashok Bakthavathsalam
03f9940775 Refactored to one pop() (#917) 2019-07-03 23:31:10 +08:00
PatOnTheBack
a2236cfb97 Improve Formatting and Code Quality (#934) 
* Improved Formatting of basic_maths.py

- Added docstrings.
- Improved whitespace formatting.
- Renamed functions to match snake_case.

* Improved Formatting of factorial_python.py

- Added docstrings.
- Improved whitespace formatting.
- Renamed constants to match UPPER_CASE.

* Improved Formatting of factorial_recursive.py

- Improved whitespace formatting to meet PyLint standards.

* Improved Code to Conform to PyLint

- Renamed `max` to `max_num` to avoid redefining built-in 'max' [pylint]
- Removed unnecessary parens after 'while' keyword [pylint]

* Improved Formatting of factorial_recursive.py

- Added docstrings.
- Improved whitespace formatting.
 2019-07-02 09:35:43 +05:30
PatOnTheBack
bd4017928e Added Whitespace and Docstring (#924) 
* Added Whitespace and Docstring

I modified the file to make Pylint happier and make the code more readable.

* Beautified Code and Added Docstring

I modified the file to make Pylint happier and make the code more readable.

* Added DOCSTRINGS, Wikipedia link, and whitespace

I added DOCSTRINGS and whitespace to make the code more readable and understandable.

* Improved Formatting

* Wrapped comments
* Fixed spelling error for `movement` variable
* Added DOCSTRINGs

* Improved Formatting

* Corrected whitespace to improve readability.
* Added docstrings.
* Made comments fit inside an 80 column layout.
 2019-07-01 16:10:18 +08:00
BruceLee569
34889fc6d8 Update quick_sort.py (#928) 
Use the last element as the first pivot, for it's easy to pop, this saves one element space.
Iterating with the original list saves half the space, instead of generate a new shallow copy list by slice method.
 2019-06-28 23:55:31 +08:00
CharlesRitter
6e894ba3e8 Odd-Even Transposition Sort (#769) 
* -Added a single-threaded implementation of odd-even transposition sort.

This is a modified bubble sort meant to work with multiple processors.
Since this is running on a single thread, it has the same running time
as bubble sort.

* -Added a parallel implementation of Odd-Even Transposition sort

This implementation uses multiprocessing to perform the swaps
at each step of the algorithm simultaneously.
 2019-06-07 23:38:43 +08:00
Anup Kumar Panwar
71be23999c refactor 2019-05-26 21:56:10 +05:30
Mehdi ALAOUI
02c0daf9e5 Adding unit tests for sorting functions, and improving readability on some sorting algorithms (#784) 
* Adding variable to fade out ambiguity

* More readability on merge sorting algorithm

* Updating merge_sort_fastest description and explaining why

* Adding tests file with imports

* Standardazing filenames and function names

* Adding test cases and test functions

* Adding test loop

* Putting 'user oriented code' inside main condition for having valid imports

* Fixing condition

* Updating tests: adding cases and todo list

* Refactoring first euler problem's first solution
 2019-05-25 21:41:24 +08:00
José Henrique Ivanchechen
9f982a83c8 add pigeon hole sort (#833) 2019-05-24 22:46:39 +05:30
BruceLee569
a0ab3ce098 Update quick_sort.py (#830) 
Modify the list comprehensions to reduce the number of judgments, the speed has increased by more than 50%.
 2019-05-24 23:54:03 +08:00
Níkolas Vargas
023f5e092d fix empty list validation and code data structures (#826) 
* fix empty list validation and code data structures

* Update bucket_sort.py

https://github.com/TheAlgorithms/Python/pull/826#pullrequestreview-240357549
 2019-05-22 20:09:36 +08:00
Adam
c1130490d7 fix spelling on line 44 of bucket sort (#824) 
* change besd to best
 2019-05-20 21:22:20 +08:00
Andy Lau
f5abc04176 Update bucket_sort.py (#821) 
* Some simplification
 2019-05-19 17:00:54 +08:00
Tommy.Liu
3c40fda6a3 More elegant coding for merge_sort_fastest (#804) 
* More elegant coding for merge_sort_fastest

* More elegant coding for merge_sort
 2019-05-14 18:17:25 +08:00
Gattlin Walker
06dbef04a0 Adding quick sort where random pivot point is chosen (#774) 2019-04-30 21:16:42 +08:00
sakuralethe
48553da785 variable in function should be lowercase (#768) 2019-04-26 17:43:51 +08:00
Ishani
96c36f8286 added wiggle_sort.py (#734) 
* Wiggle_sort

* Rename Wiggle_Sort to wiggle_sort.py
 2019-03-18 02:12:22 +08:00
Aruj Sharma
a0d5c9aaf0 Create BitonicSort.py (#386) 2019-02-11 17:53:49 +08:00
Inno Fang
17a6d1c1a7 Fix sorts/radix_sort (#338) 2019-02-09 07:44:23 +05:30
Mickaël Schoentgen
2d70e9f747 Fix ResourceWarning: unclosed file (#681) 
Signed-off-by: Mickaël Schoentgen <contact@tiger-222.fr>
 2019-01-08 16:59:23 +08:00
Ishmeet-Singh-Saggu
ce0a013ad7 Update bubble_sort.py (#535) 2018-10-27 13:21:44 +02:00
Harshil
f0d5bc6ece Merge branch 'improved_sorting_algo' of git://github.com/YasirChoudhary/Python 2018-10-26 17:25:36 +02:00
Alex Brown
91fccecb56 snake_case all the things 2018-10-19 17:14:25 -05:00
Yasir Choudhary
9561259285
Merge branch 'master' into improved_sorting_algo 2018-10-19 12:05:26 +05:30
ParthS007
0856a61859 Remove Multiple Unused Imports and Variable 2018-10-18 02:58:57 +05:30
Harshil
f9f5d402d3
Update bubble_sort.py 
Added main method, Made it Python2 suitable, Enabled user input!
 2018-10-16 20:39:22 +02:00
YasirChoudhary
98cc298e61 Optimised for loop iteration 2018-10-07 14:33:56 +05:30
YasirChoudhary
6a6349bdb0 Optimised for loop iteration 2018-10-07 14:32:48 +05:30
Prateek
356b51458d
done 2018-10-05 14:20:19 +05:30
Coregame
25c0bd3fbb
minor improvement (readability) in Insertion Sort 2018-10-04 13:36:16 +07:00
camilne
0e76ee9076 Remove duplicate counting sort (#376) 2018-10-02 15:06:24 +05:30
Harshil
38dbaef5f5
Merge pull request #384 from kelvins/comb_sort 
Comb sort
 2018-10-02 11:20:38 +02:00
rafa leyva ruiz
c0033f92ad Use local insertion sort (solves #334) (#370) 2018-10-02 14:16:56 +05:30
Kelvin Salton do Prado
f4a80fbfcb comb_sort: fix typo and indentation 2018-10-01 23:46:47 -03:00
Kelvin Salton do Prado
5fb6b31ea9 Add comb sort algorithm 2018-10-01 23:43:25 -03:00
PandllCom
ac30a97e99
typo: strip 2018-06-26 10:55:21 +08:00
Hossam Al-Dokkani
9489e8512d Break if the collection is sorted 2018-06-23 17:01:06 +02:00
Harshil
31f968f589
small change! 2018-05-28 23:34:21 +02:00
Hyuntae
ca7eb46756 quicksort_3_partition 2018-05-28 19:19:15 +09:00
Harshil
71fd719ab7
Update merge_sort_fastest.py 2018-05-21 10:28:37 +02:00
Harshil
7f4b240d1a
Update merge_sort_fastest.py 
I have modified the code a little to make it work as expected!
 2018-05-21 10:21:33 +02:00
Syed Haseeb Shah
237df47a31
Create merge_sort_fastest.py 
Python implementation of merge sort algorithm.
Takes an average of 0.6 microseconds to sort a list of length 1000 items.
Best Case Scenario : O(n)
Worst Case Scenario : O(n)
 2018-05-20 23:00:17 +05:00
Sichen Liu
744dd71238 Add sorts for python3 2018-03-03 21:27:05 -05:00
Harshil
1611f40c51
Merge branch 'master' into revert-22-patch-1 2018-01-20 16:27:17 +05:30
Sayan Bandyopadhyay
5d4471d35a
Update cyclesort.py 
Changing for Python 3 using exception handling for robust code
 2018-01-07 13:21:05 +05:30
cclauss
2ed1bad747
Merge branch 'master' into modernize-python2-code 2017-12-13 16:32:28 +01:00
Harshil
491439ae50
Merge pull request #129 from Balance-Breaker/master 
Fixed heading's formatting errors
 2017-11-28 16:58:04 +05:30
cclauss
e31c780d94 Modernize Python 2 code to get ready for Python 3 2017-11-25 12:41:55 +01:00
cclauss
4e06949072 Modernize Python 2 code to get ready for Python 3 2017-11-25 10:23:50 +01:00
Harshil
bb3287ac0a
Merge pull request #157 from Sayan97/patch-1 
Update radix_sort.py
 2017-11-01 10:49:05 +05:30
Honey Sharma
8c5fd4b597 Create cyclesort.py 
implementation of cycle sort in python3
 2017-10-27 21:00:08 +05:30
Harshil
ad935df161 Merge pull request #179 from Shivams334/master 
Added new code
 2017-10-27 11:08:38 +05:30