if you see these solution, they are IDENTICAL
the hilarious part is that they have the same comments everywhere!!
This guy was smart enough to remove unwanted parts but i guess he is caught too
this looks (to me) edited variable version of the above
i am sorry if i am wrong but there is almost zero doubt about the cheating here as well (including identical solution in other problems)
I think there are many other out there…i just checked the first page of submissions with identical time and memory