Wrong Ans in 1 case!

#1

Can you please check my code for any possible error?

https://codeshare.io/Gk9qOL

#2

hello aman.
the issue is in ur remove duplicate function.
use set of vector it will remove duplicate automatically

#3

I did what you asked. https://ide.codingblocks.com/s/199985. Still the same test case is failing.

#4

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