atcoder
https://qiita.com/e869120/items/eb50fdaece12be418faa#2-2-2-12-個の基本アルゴリズムをマスターする
https://qiita.com/e869120/items/acba3dd8649d913102b5#3-2-1-11-個のアルゴリズムを新たにマスターする
atcoder * python
AtCoder's Python, NumPy, and SciPy versions and notes (May 2020) | note.nkmk.me
[scipy's Floyd-Warshall and Dijkstra's recommendations Python Competition Programming Atcoder - Juppi Diaries https://juppy.hatenablog.com/entry/2019/06/04/scipy%E3%81% AEFloyd-Warshall%E3%81%A8Dijkstra%E3%81%AE%E3%81%99%E3%81%99%E3%82%81_Python_%E7%AB%B6%E6%8A%80%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A 9%E3%83%9F%E3%83%B3%E3%82%B0_Atcoder_1]
PyPy
[Python Competition Programming Speedup tips (personal notes on doing Atcoder in Python) - Juppi Diary https://juppy.hatenablog.com/entry/2019/06/14/Python_%E7%AB%B6% E6%8A%80%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0%E9%AB%98%E9%80%9F%E5%8C%96tips_%28Python%E3%81%A7Atcoder%E 3%82%92%E3%82%84%E3%82%8B%E9%9A%9B%E3%81%AB%E5%80%8B]
Competitive Pro Speed Comparison of Python and PyPy - Qiita https://qiita.com/OKCH3COOH/items/f0c5c4681bc30dddf7f4]
Competitive Programming in Python - Library Edition - Qiita
https://atcoder-tags.herokuapp.com/explain
/procon-kirokuyou
AtCoder Edition! The Ant Book (Beginner's Edition) - Qiita
After the contest is over, you can check what kind of input you rubbed off.
https://atcoder.jp/posts/20
https://www.dropbox.com/sh/nx3tnilzqz7df8a/AAAYlTq2tiEHl5hsESw6-yfLa?dl=0
Luzhiled's memo | This is a library for competition programming in C++
https://github.com/kyuridenamida/atcoder-tools
Treap - Wikipedia
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