What is custom class and why it is used in finnding LCA .... please give me appropriate answer ...asap

#1

what is custom class and why it is used in finnding LCA …
please give me appropriate answer …asap

#2

@AMIT_KUMAR hey,custom class is nothing but your own made class jo tumne apne hisaab se bnayi ho and jo inbuilt na ho.

#3

@AMIT_KUMAR yha pr hme two variable or one pointer ki jaroorat thi for finding Lca so hmne ek class bna li bs.

#4

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