Below are few hard problems asked in recent interviews:\nhttps://leetcode.com/problems/sliding-window-maximum/\nhttps://leetcode.com/problems/word-ladder/\nhttps://leetcode.com/problems/find-median-from-data-stream/\nhttps://leetcode.com/problems/reverse-nodes-in-k-group/\n\nMention in comments recently faced HARD problems in any interview.....

Below are few hard problems asked in recent interviews:\nhttps://leetcode.com/problems/sliding-window-maximum/\nhttps://leetcode.com/problems/word-ladder/\nhttp