https://pastebin.com/0AQYZHgu
http://cpp.sh/8sdml
https://ide.geeksforgeeks.org/7a11052b-e319-4610-a97e-c568969aa762
https://paiza.io/projects/kmB9COVhPuYhsO_2ANJ6rQ
https://pastebin.com/z4cTs5xd
http://cpp.sh/3ixanw
https://ide.geeksforgeeks.org/966db43a-9c61-42b3-bb97-46a40c2eeb02