Most likely questions on Arrays

1. Merge sort in array
2. Merge two sorted arrays
3. Merge K sorted arrays
4. Find duplicate element in array
5. Find mode in an array
6. Find majority element in an array
7. Search an element in a rotated sorted array
8. Move all zeros to one end
9. Dutch flag – move all 0s 1s 2s together
10. Shuffle array
11. Intersection of 2 sorted arrays
12. Find minimum element in rotated sorted array
13. Rotate array left/right
14. count occurrences in an array
15. 2Sum
16. 3Sum
17. Median of an array
18. Sliding window maximum in a given array
19. Maximum subarray problem
20. Max and Min in an array
21. Duplicate in an array
22. Power of number