How 1 star coders solve 4000 rated difficulty problem?

[ashnub425]

For the problem Maximum Trigonal Area(TRIGONALAREA) difficulty rated almost 4000 and i saw the submissions that many 1* coders really don’t know the basic but they perform poorly in contest how is it possible to get lots of accepted submissions

[dayalk]

vjudge is a bot. search on google

[abhaypandey114]

they just do copy another solution into their soln.

[ae_rraj]

sometimes high rated coders who don’t want to lose ratings also give contest on their alternate ids