1. Given a string, find the longest substring with exactly k distinct characters. This is a GeeksforGeeks (GFG) question.
2. How would you detect a loop in a LinkedIn list?
3. Given two strings, find the longest common subsequence (LCS) and print it.
4. What is your vision?
5. what is logistics, what is EPOD , what is c/nor,c/nee etc,