Can people PLEASE stop asking others to look at your code and help you find the error?

Its TLE in only one subtask and not wrong answer

Can we do this if someone has reputation less than 50 this means he/she new to this community so when they try to ask some question, we can show a quick guide to them so that they can understand what is the proper way to ask a question and once the reputation becomes greater than 50 then no need to show quick guide.
Ask about this @admin if it can help :slight_smile:

I think @vivek_1998299 said that the TL was quite strict and that his solution using set failed. Try replacing it with a vector which is kept sorted. (Since deletion of lines was not supposed to happen afaik, the bad lines were just not inserted in first place.)