InterviewBit Problems   Longest Consecutive Sequence : Unsolved

About the Longest Consecutive Sequence : Unsolved category (1)
Easy O(N) Cpp six line solution using hash (1)
Hashing Soln with explanation - O(n) (1)
Small hint to get O(n) (2)
Why doesn't the dfs approach work here? (1)
Think priority queue solution people (4)
O(n) Solution using unordered_set (1)
I think its O(n) solution (2)
Don't make too complicate (1)
Solution mentioned are not O(n) (2)
Python O(n) solution using dict (1)
Simple Python solution - not O(n) though its O(n2) (1)
Sequence/sequential means it's one after the other, so not the best word (1)
I have done it in O(n) using two unordered maps though i am getting run time error please help (1)
Solution with Hashing: O(n) TC, O(n) SC (4)
Using Set in O(nlogn) time (2)
Well Labelled answer (4)
I am getting TLE for this? (2)
My solution showing TLE . Can someone tell what its time complexity? (1)
Please help with the complexity of my solution (2)
What about duplicate elements? (4)
Returns correct answer when run as custom input but on submitting shows wrong answer (1)
Runtime error for hidden test case (1)
Didn't get Problem statement (1)
Unspecified memory limit (2)
Different answers on test here and colab, or my python (1)
Segmentation Fault when submitting but testing fine otherwise (1)
Testing this test case with my sol Python : (3)
My solution of the problem (2)
Why doesnt the interpretor except new ES6 code? (1)