Hi everyone, \n\nYesterday, I was solving 128. Longest Consecutive Sequence problem. Below is the link of the question : \nhttps://leetcode.com/problems/longest-consecutive-sequence/\n\nI was stuck and was not able to come up with efficient solution. So I looked around to understand the approach. Then I noticed that previously the difficulty of this question was **Hard** but now it has been changed to **Medium**. I am providing the screenshots below:\n**Previous Difficulty**\n![image](https://assets.leetcode.com/users/images/6ee467db-20b6-41e1-84d1-a6790bdb8f41_1654324519.8378665.png)\n\n**Current Difficulty**\n![image](https://assets.leetcode.com/users/images/21a6f914-bdcf-44cc-81bc-d1897826ab62_1654324566.6007137.png)\n\nWhy this happened? What things made this question to move from Hard to Medium?

Hi everyone, \n\nYesterday, I was solving 128. Longest Consecutive Sequence problem. Below is the link of the question : \nhttps://leetcode.com/problems/longest