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
https://paste2.org/YkJcaJGW
https://ide.geeksforgeeks.org/1888fbc9-971d-48ec-b663-0f0402b7bacc