https://www.hihonor.com/cz/club/topicdetail/topicid-68604/
https://www.hihonor.com/cz/club/topicdetail/topicid-68605/
https://pastebin.com/dJNN75R5
http://th.cpp.sh/5ccby
http://th.cpp.sh/8ou2f
https://ideone.com/ZB0NYp
https://paiza.io/projects/yZBbeNhn06yLhgOSgRLiEw?language=php
https://pasteio.com/xCa3LMX8plJR
https://pst.klgrth.io/paste/h8xww
https://dotnetfiddle.net/n6BWnF
https://ide.geeksforgeeks.org/3e2a2a27-acb5-4b36-83d1-f8d75b516e37
https://tech.io/snippet/2zxh8WR