https://c.mi.com/thread-4084271-1-1.html
https://paiza.io/projects/-l--8YUcMaJu7gL2x1QzPg?language=bash
https://ide.geeksforgeeks.org/e5d32013-b880-4ac7-91b2-d64b036a7f03
http://cpp.sh/3u4zx
http://cpp.sh/94ih2
http://cpp.sh/2b2re
http://cpp.sh/6mhlc
http://cpp.sh/7eshq
http://cpp.sh/85ee3
http://cpp.sh/9adkfc
http://cpp.sh/3gwh6
http://cpp.sh/2h2di
http://cpp.sh/3b5qw
http://cpp.sh/2ax63
http://cpp.sh/7lurv
http://cpp.sh/6j3ybg
http://cpp.sh/2jkwq
http://cpp.sh/92olu
https://dotnetfiddle.net/CENOqB
https://pasteio.com/x3C0WnDRswVU
https://ide.geeksforgeeks.org/a1ccf2ef-7556-4172-8998-191bcb380803