https://colab.research.google.com/drive/1acT0UIqNzhHN8QRshR7uufFlfh4hVp-W

https://pastebin.com/xQND9kyF

http://cpp.sh/67ri3

https://pastebin.com/7KHD6WPy

http://cpp.sh/5njyv

https://pastebin.com/1KVA2VRH

http://cpp.sh/8hfk4

https://yamcode.com/dk3aa5fzm9

http://cpp.sh/9hsjbn

https://pastebin.com/tgNX3ukG

http://cpp.sh/4mhofc

https://pastebin.com/Hwmi7DTu

https://dotnetfiddle.net/kzkIif

https://paiza.io/projects/gQGyYrR4W1KW_agq-pp86A?language=php

https://ideone.com/p3m1lC

https://pasteio.com/xqB6w9BvHcJI

https://controlc.com/55cad6f8