How this code has complexity of O(n)?

how this code has the complexity of O(n) when the find method of the set takes O(log n ) time, not O(1).

Hey @kkunalguptaaa
If we use unordered set/map then its O(n)
otherwise its O(nlogn)

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.