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Tianyi Zheng
7c1d23d448
Change prime_sieve_eratosthenes.py to return list (#8062) 2023-01-02 14:10:59 +13:00
Tianyi Zheng
d29afca93b
Fix get_top_billioners.py file name typo (#8066) 2023-01-01 14:30:14 +01:00
Alexander Pantyukhin
c6223c71d8
add word_break dynamic approach up -> down. (#8039) 
* add word_break dynamic approach up -> down.

* updating DIRECTORY.md

* Update word_break.py

fix review notes.

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* Update word_break.py

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* fix review notes

* add trie type

* Update word_break.py

add typing Any to trie.

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* Update dynamic_programming/word_break.py

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* Update dynamic_programming/word_break.py

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 2022-12-30 06:47:40 +01:00
Tianyi Zheng
b72d0681ec
Remove extra imports in gamma.py doctests (#8060) 
* Refactor bottom-up function to be class method

* Add type hints

* Update convolve function namespace

* Remove depreciated np.float

* updating DIRECTORY.md

* updating DIRECTORY.md

* updating DIRECTORY.md

* updating DIRECTORY.md

* Renamed function for consistency

* updating DIRECTORY.md

* Remove extra imports in gamma.py doctests

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 2022-12-29 18:06:26 +01:00
Lucia Harcekova
90686e39b9
Add LZ77 compression algorithm (#8059) 
* - add "lz77_compressor" class with compress and decompress methods using LZ77 compression algorithm

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* - use "list" instead "List", formatting

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* - add 'Token' class to represent triplet (offset, length, indicator)

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* - add test, hange type rom List to list

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* - remove extra import

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 2022-12-28 18:34:35 +01:00
pre-commit-ci[bot]
27d56ba393
[pre-commit.ci] pre-commit autoupdate (#8047) 
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 2022-12-26 22:02:50 +01:00
Maxim Smolskiy
79ef431cec
Reduce the complexity of sorts/merge_insertion_sort.py (#7954) 
* Reduce the complexity of sorts/merge_insertion_sort.py

* Add tests

* Lower the --max-complexity threshold in the file .flake8
 2022-12-24 15:57:28 +01:00
pre-commit-ci[bot]
d4c5b22424
[pre-commit.ci] pre-commit autoupdate (#8037) 
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 2022-12-19 23:04:34 +01:00
Victor Rodrigues da Silva
3f8b2af14b
Add autoclave cipher (#8029) 
* Add autoclave cipher

* Update autoclave with the given suggestions

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* Fixing errors

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* Update and rename autoclave.py to autokey.py

* Rename gaussian_naive_bayes.py to gaussian_naive_bayes.py.broken.txt

* Rename gradient_boosting_regressor.py to gradient_boosting_regressor.py.broken.txt

* Rename random_forest_classifier.py to random_forest_classifier.py.broken.txt

* Rename random_forest_regressor.py to random_forest_regressor.py.broken.txt

* Rename equal_loudness_filter.py to equal_loudness_filter.py.broken.txt

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 2022-12-18 23:26:39 +01:00
Alexander Pantyukhin
30277f8590
add numbers different signs algorithm. (#8008) 2022-12-15 17:11:32 +13:00
Roberto Garcia
af8d520922
Update is_even.py (#8028) 2022-12-15 17:10:09 +13:00
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40f165b789
[pre-commit.ci] pre-commit autoupdate (#8026) 
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 2022-12-12 21:29:50 +01:00
Aaryan Raj
b25915adf9
Add algorithm to convert decimal number to its simplest fraction form (#8001) 
* Added algorithm to convert decimal number to its simplest fraction form

* Apply suggested changes
 2022-12-11 08:04:04 +01:00
pre-commit-ci[bot]
d141fa8838
[pre-commit.ci] pre-commit autoupdate (#8017) 
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 2022-12-05 21:34:24 +01:00
Akshay Dubey
5654c6242e
algorithm: Hexagonal number (#8003) 
* feat: Add hexagonal number

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 2022-11-29 19:29:21 +01:00
Alexander Pantyukhin
6a86fe4867
Add backtrack word search in matrix (#8005) 
* add backtracking word search

* updating DIRECTORY.md

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* review notes fixes

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* small cleanup 2

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 2022-11-29 19:28:47 +01:00
Alexander Pantyukhin
47bf3f58e0
fix validation condition and add tests (#7997) 
* fix validation condition and add tests

* updating DIRECTORY.md

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 2022-11-29 19:07:27 +01:00
pre-commit-ci[bot]
361ddaf29e
[pre-commit.ci] pre-commit autoupdate (#8006) 
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 2022-11-29 21:55:30 +05:30
Christian Clauss
08c2245705
Upgrade to flake8 v6 (#8007) 
* Upgrade to flake8 v6

* updating DIRECTORY.md

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 2022-11-29 16:56:41 +01:00
Mark Mayo
f32d611689
clean of unnecessary checks, imports, calls (#7993) 2022-11-21 00:00:27 +13:00
Alexander Pantyukhin
a25c53e8b0
Fix argument validation for count_1s_brian_kernighan_method (#7994) 
* Fix argument validation for count_1s_brian_kernighan_method

* updating DIRECTORY.md

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 2022-11-20 23:59:25 +13:00
Swayam
f01a1af1df
Bi directional dijkstra (#7982) 
* Added Bi-Directional Dijkstra

* Added Bi-Directional Dijkstra

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 2022-11-20 23:55:58 +13:00
Akshay Dubey
b33ea81a74
algorithm: Add juggler sequence (#7985) 
* feat: Add juggler sequence

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* refactor: Remove temp variable

* refactor: Change error type for negative numbers

* refactor: Remove # doctest: +NORMALIZE_WHITESPACE

* refactor: Remove int typecasting

* test: Add unit tests for n=10 and n=25

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 2022-11-18 09:18:47 +01:00
pre-commit-ci[bot]
0684ccdd69
[pre-commit.ci] pre-commit autoupdate (#7983) 
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 2022-11-15 18:34:17 +01:00
Dhruv Manilawala
8bfd1c844b
fix: mypy 0.991 issues (#7988) 
* fix: mypy 0.991 issues

* fix: invalid condition for base case
 2022-11-15 18:29:14 +01:00
Akshay Dubey
4ce8ad9ce6
algorithm: Liouville lambda function (#7986) 
* feat: Add liouville lambda function

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* refactor: Refactor if-else block

* refactor: Refactor error handling for -ve numbers

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 2022-11-15 18:28:49 +01:00
Dhruv Manilawala
3bf86b91e7
fix: no implicit optional (#7984) 2022-11-15 14:55:14 +01:00
Gayathri Krishnan
316e71b034
Additional intro blockchain doc (#7974) 
* A deeper introduction to blockchain technology

* Update README.md

Rectified errors as image was not visible

* Delete img1.jpg

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 2022-11-15 14:37:59 +01:00
Akshay Dubey
e1be882f72
algorithm: Twin prime (#7980) 
* feat: Add twin prime algorithm

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* fix: Fix broken import statement

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 2022-11-10 11:55:50 +01:00
Alexander Pantyukhin
7b2eca0243
add distribute coins (#7975) 
* add distribute coins

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* fix review notes

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 2022-11-10 15:49:38 +13:00
Christian Clauss
5c92b7390e
prime_numbers.py: Tighten up the benchmarks (#7976) 
* prime_numbers.py: Tighten up the benchmarks

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 2022-11-10 15:42:14 +13:00
Christian Clauss
4cddb26908
atbash.py: Tighten up the benchmarks (#7977) 
* atbash.py: Tighten up the benchmarks

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 2022-11-10 15:41:28 +13:00
Akshay Dubey
076193eefa
feat: Add pronic number implementation (#7979) 
* feat: Add pronic number implementation

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 2022-11-10 15:39:47 +13:00
Akshay Dubey
3f9aae149d
feat: Add automorphic number implementation (#7978) 
* feat: Add automorphic number implementation

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* refactor: Add type checking for number

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 2022-11-09 16:36:38 +01:00
Abhishek Chakraborty
8951d857fe
BB84 QKD algorithm (#7898) 
* Added BB84 algorithm.

* Function name lowercase + imports fix

I thought uppercase was appropriate because they're initials.

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* Update quantum/bb84.py

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* Removed python < 3.11 restriction from qiskit

* scikit-learn

* Update quantum/bb84.py

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 2022-11-08 18:24:21 +01:00
Christian Clauss
6aaf0a2c77
maths/number_of_digits.py: Streamline benchmarks (#7913) 
* maths/number_of_digits.py: Streamline benchmarks

```
num_digits(262144): 6 -- 0.2226011250168085 seconds
num_digits_fast(262144): 6 -- 0.13145116699161008 seconds
num_digits_faster(262144): 6 -- 0.09273383300751448 seconds

num_digits(1125899906842624): 16 -- 0.6056742920191027 seconds
num_digits_fast(1125899906842624): 16 -- 0.15698366600554436 seconds
num_digits_faster(1125899906842624): 16 -- 0.1027024170034565 seconds

num_digits(1267650600228229401496703205376): 31 -- 1.1957934170495719 seconds
num_digits_fast(1267650600228229401496703205376): 31 -- 0.15552304196171463 seconds
num_digits_faster(1267650600228229401496703205376): 31 -- 0.13062308297958225 seconds
```

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 2022-11-08 11:49:47 +00:00
Caeden Perelli-Harris
daa1c7529a
Raise error not string (#7945) 
* ci: Add `B023` to `.flake8` ignores

* refactor: Return `bool`/raise Exception

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* chore: Fix failing tests

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* test: Fix doctests

* random.choice(population_score[:N_SELECTED])[0]

* Update basic_string.py

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 2022-11-06 15:54:44 +01:00
Sanders Lin
51708530b6
Update 3n_plus_1.py (#7966) 
* Update 3n_plus_1.py

1. Minor issue with ValueError message: Given integer should be positive, not greater than 1, as 1 is allowed.
2. += calls underlying list extend method which might be slower. Calling apend seems more appropriate.

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 2022-11-06 10:35:40 +01:00
Alexander Pantyukhin
7f1a5521f4
add prefix sum (#7959) 
* add prefix sum

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 2022-11-04 20:30:32 +13:00
Alexander Pantyukhin
3e1cb70abf
add algorithm to check binary search tree (#7947) 
* add algorithm to check binary search tree

* add tests

* add leetcode link

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* fix typehints

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Maxim Smolskiy
978414bd50
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Maxim Smolskiy
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45b3383c39
Flake8: Drop ignore of issue A003 (#7949) 
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Caeden Perelli-Harris
f512b4d105
refactor: Move pascals triange to maths/ (#7932) 
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Alexander Pantyukhin
4e6c1c049d
Is power of two (#7936) 
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Christian Clauss
d23e709aea
maths/sum_of_digits.py: Streamline benchmarks (#7914) 
* maths/sum_of_digits.py: Streamline benchmarks

```
sum_of_digits(262144): 19 -- 0.3128329170285724 seconds
sum_of_digits_recursion(262144): 19 -- 0.34008108399575576 seconds
sum_of_digits_compact(262144): 19 -- 0.6086010000435635 seconds

sum_of_digits(1125899906842624): 76 -- 0.8079068749793805 seconds
sum_of_digits_recursion(1125899906842624): 76 -- 0.8435653329943307 seconds
sum_of_digits_compact(1125899906842624): 76 -- 1.247976207989268 seconds

sum_of_digits(1267650600228229401496703205376): 115 -- 1.6441589999594726 seconds
sum_of_digits_recursion(1267650600228229401496703205376): 115 -- 1.713684624992311 seconds
sum_of_digits_compact(1267650600228229401496703205376): 115 -- 2.2197747920290567 seconds
```

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Caeden Perelli-Harris
7d139ee7f1
refactor(abs): Condense abs_min and abs_max (#7881) 
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