Algorithms and data structures implemented in many programming languages

• TheAlgorithms

  62 180,485 9.7 Python

  All Algorithms implemented in Python

  

Looks like it's licensed under the X11 license: https://github.com/TheAlgorithms/Python/blob/master/LICENSE....

• CPython

  1,320 60,047 10.0 Python

  The Python programming language

  

Correct (actually a linked list of blocks[1]). It supports insertion and removal from both ends in O(1), which is very useful. However it does not support insertion and removal from the middle (via an iterator) in O(1), so it's not a complete replacement for doubly-linked lists.

[1]: https://github.com/python/cpython/blob/a4ac14faa5c2be433738d...

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• Java

  8 56,945 9.2 Java

  All Algorithms implemented in Java

  

yeah I agree. I think it's because they pretty much allow contributions of algorithms from various people and the code review standards are not super high. I recall at one point the BFS algorithm in Java actually used an ArrayList (roughly equivalent to std::vector) for the queue, which is silly because popping from the front is O(N), so I had to submit a fix for that:

https://github.com/TheAlgorithms/Java/pull/3231

but I agree that basic low-hanging issues like this (and the exponential-time fibonacci that another commenter pointed out) really prevents me from taking this repo very seriously

• woo

  15 1,260 5.6 Common Lisp

  A fast non-blocking HTTP server on top of libev

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