https://pastebin.com/KfMbPyd1
https://ide.geeksforgeeks.org/67b157d3-9d42-42cb-ab57-3a5cd7450151
https://paiza.io/projects/7yiI22fpJz9Da3da3tMQQw?language=php
http://cpp.sh/6viad
https://pastebin.com/NcJxwvnE
https://ide.geeksforgeeks.org/46edcc23-ef9b-48d8-a0b1-f921edaec5c9
https://paiza.io/projects/VpAbSt-vqsphcpUEZlm01A?language=php
http://cpp.sh/3fotx
https://pastebin.com/uiuj2dsJ
https://ide.geeksforgeeks.org/93935a58-6499-4d1e-99bc-2dc5989badc9