1. Largest Element in an Array (✅ Done)(✅Revisited)(✅Revised)

2. Find Second Smallest and Second Largest Element in an array

3. Check if an Array is Sorted (✅ Done)(✅Revisited)(✅Revised)

4. Remove Duplicates in-place from Sorted Array

5. Left Rotate the Array by One

6. Left rotate an array by K Places

7. Move Zeros to End

8. Linear Search (✅ Done)(✅Revisited)(✅Revised)

9. Union of Two Sorted Arrays

10. Find the missing number in an array

11. Count Maximum Consecutive One's in the array

12. Find the number that appears once, and the other numbers twice

13. Longest Subarray with given Sum K(Positives)

14. Longest Subarray with sum K | [Postives and Negatives]