Commit Graph

58 Commits

Author SHA1 Message Date
Suyash Dongre
fb17eeab7d
Added doctest to stack.py (#11149) 2023-11-11 21:16:43 -05:00
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

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update stack_using_two_queues.py

* Update stack_using_two_queues.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update stack_using_two_queues.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update stack_using_two_queues.py

* Update stack_using_two_queues.py

---------

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2023-10-15 18:41:29 +02:00
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

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Cleaning code

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2023-10-11 11:00:49 +02:00
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
Add exceptions for expressions with invalid bracket positions
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

* Remove printing trailing whitespace in the output table

* Fix type hint errors

* Fix doctests

* Adjust table convention in output and doctests

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* Add doctests for infix_2_postfix()

* Update print_width

* Update print_width

* Fix the doctests

---------

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2023-10-10 18:52:53 +02:00
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

Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py

Signed-off-by: Arijit De <arijitde2050@gmail.com>

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* Updated postfix_evaluation.py to support Unary operators and floating point numbers. Fixes #8754 and formatted code to pass ruff and black test.

Also merged evaluate_postfix_notations.py and postfix_evaluation.py into postfix_evaluation.py which fixes #8724 and made sure it passes doctest

Signed-off-by: Arijit De <arijitde2050@gmail.com>

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

Signed-off-by: Arijit De <arijitde2050@gmail.com>

* 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

Signed-off-by: Arijit De <arijitde2050@gmail.com>

* 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.
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.

* Update postfix_evaluation.py

* Update postfix_evaluation.py

* Update postfix_evaluation.py

* Update postfix_evaluation.py

* Update postfix_evaluation.py

---------

Signed-off-by: Arijit De <arijitde2050@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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2023-08-23 14:36:59 +02:00
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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2023-08-01 11:23:34 -07:00
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)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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---------

Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
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2023-05-26 09:34:17 +02:00
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…

Also, add https://github.com/tox-dev/pyproject-fmt and https://github.com/abravalheri/validate-pyproject to pre-commit.

I only modified `.pre-commit-config.yaml` and all other files were modified by pre-commit.ci and psf/black.

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2023-02-01 18:44:54 +05:30
Caeden Perelli-Harris
9bba42eca8
refactor: Indent ... for visual purposes (#7744) 2022-10-27 19:42:30 +02:00
Caeden
4d0c830d2c
Add flake8 pluin flake8 bugbear to pre-commit (#7132)
* ci(pre-commit): Add ``flake8-builtins`` additional dependency to ``pre-commit`` (#7104)

* refactor: Fix ``flake8-builtins`` (#7104)

* fix(lru_cache): Fix naming conventions in docstrings (#7104)

* ci(pre-commit): Order additional dependencies alphabetically (#7104)

* fix(lfu_cache): Correct function name in docstring (#7104)

* Update strings/snake_case_to_camel_pascal_case.py

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

* Update data_structures/stacks/next_greater_element.py

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

* Update digital_image_processing/index_calculation.py

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

* Update graphs/prim.py

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

* Update hashes/djb2.py

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

* refactor: Rename `_builtin` to `builtin_` ( #7104)

* fix: Rename all instances (#7104)

* refactor: Update variable names (#7104)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* ci: Create ``tox.ini`` and ignore ``A003`` (#7123)

* revert: Remove function name changes (#7104)

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* Rename tox.ini to .flake8

* Update data_structures/heap/heap.py

Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>

* refactor: Rename `next_` to `next_item` (#7104)

* ci(pre-commit): Add `flake8` plugin `flake8-bugbear` (#7127)

* refactor: Follow `flake8-bugbear` plugin (#7127)

* fix: Correct `knapsack` code (#7127)

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Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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2022-10-13 18:03:06 +02:00
Caeden
d5a9f649b8
Add flake8-builtins to pre-commit and fix errors (#7105)
Ignore `A003`

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2022-10-13 19:53:59 +05:30
Caeden
07e991d553
Add pep8-naming to pre-commit hooks and fixes incorrect naming conventions (#7062)
* ci(pre-commit): Add pep8-naming to `pre-commit` hooks (#7038)

* refactor: Fix naming conventions (#7038)

* Update arithmetic_analysis/lu_decomposition.py

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

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* refactor(lu_decomposition): Replace `NDArray` with `ArrayLike` (#7038)

* chore: Fix naming conventions in doctests (#7038)

* fix: Temporarily disable project euler problem 104 (#7069)

* chore: Fix naming conventions in doctests (#7038)

Co-authored-by: Christian Clauss <cclauss@me.com>
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2022-10-13 00:54:20 +02:00
Shuangchi He
e1ec661d4e
Fix some typos (#6113)
* Fix some typos.

* Update volume.py

Co-authored-by: John Law <johnlaw.po@gmail.com>
2022-05-01 18:44:23 +08:00
Dylan Buchi
e7381b513b
[mypy] Fix type annotations in data_structures/stacks/next_greater_element.py (#5763)
* Fix type annotations in next_greater_element.py

* Refactor next_greater_element.py
2021-11-05 20:45:37 +01:00
Edward Nuno
94f38dd88c
[mypy] Fix type annotations for linked_stack.py (#5576)
* Fix type annotations for linked_stack.py

* Replace Optional with inline union type

* Rename linked_stack to stack_with_singly_linked_list

* Rename stack_using_dll to stack_with_doubly_linked_list

* updating DIRECTORY.md

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2021-10-31 17:03:03 +01:00
Edward Nuno
9a03919052
[mypy] Fix type annotations for stack_using_dll.py (#5577)
* Fix mypy annotations for stack_using_dll.py

* Replace Optional with inline union type
2021-10-26 21:12:46 +02:00
Edward Nuno
c0ed031b3f
Fix type annotations for stack.py (#5566) 2021-10-26 20:33:08 +02:00
Limbad Yash
80a885c975
Update pop function (#5544)
* Updated Pop function

Added underflow condition

* Update Pop Function

Added condition to check underflow of stack

* Update stack.py

* if not self.stack: raise StackUnderflowError

* Add doctests

* StackUnderflowError

* ..., not ....

* Update stack.py

Co-authored-by: Christian Clauss <cclauss@me.com>
2021-10-23 15:18:09 +02:00
Christian Clauss
cecf43d648
Pyupgrade to Python 3.9 (#4718)
* Pyupgrade to Python 3.9

* updating DIRECTORY.md

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2021-09-07 13:37:03 +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
Du Yuanchao
786b32431c
Update infix to postfix (#3817)
* add test to infix_to_postfix_conversion

* fixed pre-commit error

* fixed build error

* updating DIRECTORY.md

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2020-11-02 00:35:31 +08:00
Du Yuanchao
a03b3f763f
Balanced parentheses (#3768)
* Fixed balanced_parentheses.py

* fixed pre-commit

* eliminate is_paired

* remove unused line

* updating DIRECTORY.md

* Update data_structures/stacks/balanced_parentheses.py

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

* Add more test cases

* Update data_structures/stacks/balanced_parentheses.py

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2020-10-29 10:39:19 +01:00
Du Yuanchao
c2b7acdf11
Update Linked Stack (#3625)
* update linked_stack

* remove properties

* updating DIRECTORY.md

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2020-10-24 00:16:23 +08:00
Akash G Krishnan
7d84f7fe61
Adding in the evaluate postfix notation using Stack (#2598)
* Create evaluate_postfix_notations.py

Adding in the evaluate postfix notation using Stacks
one of the common use with simple stack question
creating a new file for the data structure of stacks

* Create evaluate_postfix_notations.py

Adding in the evaluate postfix notation using Stacks
one of the common use with simple stack question
creating a new file for the data structure of stacks

* Delete evaluate_postfix_notations.py

* Evaluate postfix expression stack clean approach

Sending in the PR again as the Previous request failed in pre commit

* Update evaluate_postfix_notations.py

* Update evaluate_postfix_notations.py

Made changes as per the required for fixing the failing pre-commits.

* Update evaluate_postfix_notations.py

Made changes as suggested by @cclauss

* Update evaluate_postfix_notations.py

fixed pre-commit fails

* Update evaluate_postfix_notations.py

fixing pre-commit fails

* Update evaluate_postfix_notations.py

Deleted trailing white spaces causing pre-commits to fail

* Update data_structures/stacks/evaluate_postfix_notations.py

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* Update data_structures/stacks/evaluate_postfix_notations.py

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2020-10-16 20:45:26 +02:00
Du Yuanchao
44b8cb0c81
Updated Stack (#2414)
* * Added type hints
* Added test
* Formated code

* updating DIRECTORY.md

* Update stack.py

* Test error conditions for pop, peek, and

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2020-09-13 13:56:03 +02:00
Du Yuanchao
4d0a8f2355
Optimized recursive_bubble_sort (#2410)
* optimized recursive_bubble_sort

* Fixed doctest error due whitespace

* reduce loop times for optimization

* fixup! Format Python code with psf/black push

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2020-09-10 10:31:26 +02:00
Du Yuanchao
0591968947
Optimization and fix bug (#2342)
* * optimization aliquot_sum
* fix bug in average_median

* fixup! Format Python code with psf/black push

* Update maths/average_median.py

* updating DIRECTORY.md

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2020-08-21 14:39:03 +08:00
Alex Joslin
d3199da000
Created Dijkstra's Two Stack Algorithm (#2321)
* created dijkstra's two stack algorithm

* Made changes to dijkstras two stack algorithm for documentation and
testing purposes.

* Made changes to dijkstras two stack algorithm for documentation and
testing purposes.

* Fixed Grammar Mistake

* Added Explanation Reference

* Imported stack instead of using my own
Changed a few minor things.

* Imported stack instead of using my own
Changed a few minor things.

* Update data_structures/stacks/dijkstras_two_stack_algorithm.py

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

* Update dijkstras_two_stack_algorithm.py

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-08-20 17:49:43 +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

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2020-06-16 10:09:19 +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

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2020-05-22 08:10:11 +02:00
Christian Clauss
d1b25760bc
Fix psf/black issues than fail the build (#1935)
* Fix psf/black issues than fail the build

* fixup! Format Python code with psf/black push

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2020-05-03 23:58:44 +02:00
Akash
b6fcee3114
Check if a item exist in stack or not (#1931)
* Check if a item exist in stack or not

* implemented __contains__ method in stack

* made changes in __contains__
2020-05-03 16:15:31 +02:00
Christian Clauss
f17e9822b0
psf/black changes to next_greater_element.py (#1817)
* psf/black changes to next_greater_element.py

* fixup! Format Python code with psf/black push

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2020-03-28 07:24:59 +01:00
Vaibhav Singh
96df906e7a
All suggeted changes within additional time limit tests (#1815)
* With all suggested changes  

possibly covered all the recommended guidelines

* Updated with both slow and faster algorithms

possibally covered all the recomendations

* removed the time comparision part!

* Update data_structures/stacks/next_greater_element.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Update data_structures/stacks/next_greater_element.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Update data_structures/stacks/next_greater_element.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Update data_structures/stacks/next_greater_element.py

Co-Authored-By: Christian Clauss <cclauss@me.com>

* Add benchmark using timeit

https://docs.python.org/3/library/timeit.html

The performance delta between these two implementation is quite small...
```
next_greatest_element_slow(): 1.843442126
     next_greatest_element(): 1.828941414
```

* Optimize slow() to create fast() - Three algorithms in the race

Three algorithms in the race

* Use a bigger test array with floats, negatives, zero

* Setup import next_greatest_element_fast

Co-authored-by: Christian Clauss <cclauss@me.com>
2020-03-27 08:16:07 +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
Leon Morten Richter
4607cd48b6 Add a program to evaluate a string in prefix notation (Polish Notation) (#1675)
* Create infix_evaluation.py

* fix doctests

* Rename infix_evaluation.py to prefix_evaluation.py

* Add prefix_evaluation.py to directory
2020-01-12 15:00:40 +05:30
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
Christian Clauss
34c808b375 actions/checkout@v2 (#1643)
* actions/checkout@v2

https://github.com/actions/checkout/releases

* fixup! Format Python code with psf/black push
2019-12-26 19:50:12 +08:00
Dhakad9
aa18600e22 Stack using double linked list (#1413)
* Stack using double linked list

* Test with doctests

* Update stack_using_dll.py

* Update stack_using_dll.py

* Update stack_using_dll.py

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-21 02:46:49 +01:00
Christian Clauss
b838f1042c Fix indentation contains tabs (flake8 E101,W191) (#1573) 2019-11-15 23:05:00 -08:00
Jai Kumar Dewani
5ef5f67a51 Added more details about the problem statement (#1367)
* Update DIRECTORY

* Updated DIRECTORY

* Fixed bug in directory build and re-build the directory.md

* fixed url issue

* fixed indentation in Directory.md

* Add problem-18 of project-euler

* Delete sol1.py

* Delete files

* Added more details to question

* Added doctest in printNGE()

* Made changes to fix Travis CI build

* Remove the trailing whitespace
2019-10-18 21:14:01 +02:00
Mariusz Skoneczko
7376addcd5 Implement Linked Queue and Linked Stack data structures (#1324)
* Add LinkedQueue

* Add LinkedStack
2019-10-18 08:38:31 +02:00
William Zhang
9eac17a408 psf/black code formatting (#1277) 2019-10-05 10:14:13 +05:00
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
Christian Clauss
89acf5d017 print() is a function just like every other function (#1101)
* print() is a function just like every other function
2019-08-06 12:14:23 +02:00
Christian Clauss
7b267e5e4f Fix data_structures to pass our Travis CI pytests (#1088)
* Fix data_structures to pass pytests

* Restore data_structures/stacks/__init__.py
2019-07-31 23:14:35 +08:00
Bruno Simas Hadlich
267b5eff40 Added doctest and more explanation about Dijkstra execution. (#1014)
* Added doctest and more explanation about Dijkstra execution.

* tests were not passing with python2 due to missing __init__.py file at number_theory folder

* Removed the dot at the beginning of the imported modules names because 'python3 -m doctest -v data_structures/hashing/*.py' and 'python3 -m doctest -v data_structures/stacks/*.py' were failing not finding hash_table.py and stack.py modules.

* Moved global code to main scope and added doctest for project euler problems 1 to 14.

* Added test case for negative input.

* Changed N variable to do not use end of line scape because in case there is a space after it the script will break making it much more error prone.

* Added problems description and doctests to the ones that were missing. Limited line length to 79 and executed python black over all scripts.

* Changed the way files are loaded to support pytest call.

* Added __init__.py to problems to make them modules and allow pytest execution.

* Added project_euler folder to test units execution

* Changed 'os.path.split(os.path.realpath(__file__))' to 'os.path.dirname()'
2019-07-17 01:09:53 +02:00
Anup Kumar Panwar
4e413c0183 Updated README 2019-07-06 11:11:20 +05:30