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
After the contest is over, you can check what kind of input you rubbed off.
Luzhiled's memo | This is a library for competition programming in C++
https://github.com/kyuridenamida/atcoder-tools
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