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178 Commits

Author SHA1 Message Date
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
Sayan Bandyopadhyay
b96412c019 Merge branch 'master' into patch-1 2017-10-23 19:17:45 +05:30
Shivam sharma
fe7b86c9ff Add files via upload 2017-10-20 18:03:43 +05:30
Harshil
54eb79f53a Merge pull request #135 from KuLi/radix_sort-fix 
#130 fixed radix sort for python 3
 2017-10-17 18:50:05 +05:30
Harshil
4c9efeacb8 Merge pull request #123 from theycallmemac/master 
added timsort.py
 2017-10-15 09:25:45 +05:30
André Almeida
35d3873716 Add counting sort 2017-10-14 03:07:02 +00:00
Sayan Bandyopadhyay
aac224dc1b Update radix_sort.py 
This will fix the error in the list index showing as float
 2017-10-12 01:28:12 +05:30
Shivam sharma
14e6372196 Added counting sort in python 2017-10-10 21:41:01 +05:30
KyleScharnhorst
014786e340 Fix: typo in multiple files. 2017-10-07 06:47:50 -07:00
James Mc Dermott
a97ab2f4e4 Update timsort.py 2017-10-01 22:13:54 +01:00
KuLi
edcf6d54b6 #130 fixed radix sort for python 3 2017-09-29 23:47:24 +02:00
Ankit Dhankhar
1f0f4b2c92 Fixed heading's formatting errors 2017-09-29 23:15:33 +05:30
theycallmemac
1958cf25c5 added timsort.py 2017-09-28 20:54:15 +01:00
Omkar Pathak
ef01688b94 Added Bucket Sort implementation 2017-07-20 07:02:49 +05:30
Omkar Pathak
e8a36b12ce Added Bucket Sort implementation 2017-07-20 06:59:42 +05:30
Zach Wild
16b0d62f28 Add topological_sort.py 2017-06-21 19:11:31 -04:00
Mehdi ALAOUI
7ae9759220 Added some other spaces 2017-04-06 03:55:28 +01:00
Mehdi ALAOUI
8d06eb2c63 Added some space before and after operators 2017-04-06 03:44:47 +01:00
Mehdi ALAOUI
183df6889b Code more concise and more readable 2017-04-05 06:58:16 +01:00
James Mc Dermott
e823c55f62 Create radix_sort.py 2017-02-25 15:06:58 +00:00
Prateek Chanda
f42a1b8fbc Create normal_distribution_QuickSort_README.md 2017-02-05 17:52:31 +05:30