💻 Data Structures and Algorithms with Python - Stack & Queue

📘 Over 35 commonly asked Stack & Queue interview questions from FAANG and top-tier companies

💡 Python solutions for efficient problem-solving

💻 Access to a convenient code editor for hands-on practice

🔍 Detailed explanations to understand underlying concepts

💪 Boost your coding skills and nail interviews

🎯 Prepare for success with this must-have interview preparation resource

EXPERT CURATED LIST! GUARANTEED INTERVIEW CLEARANCE.

SOLUTIONS EXPLAINED IN THIS INTERVIEW GUIDE:

1. Implement Stack from Scratch
2. Implement Queue from Scratch
3. Implement 2 stack in an array
4. find the middle element of a stack
5. Implement "N" stacks in an Array
6. Check the expression has valid or Balanced parenthesis or not.
7. Reverse a String using Stack
8. Design a Stack that supports getMin() in O(1) time and O(1) extra space.
9. Find the next Greater element
10. The celebrity Problem
11. Evaluation of Postfix expression
12. Reverse a stack using recursion
13. Sort a Stack using recursion
14. Merge Overlapping Intervals
15. Largest rectangular Area in Histogram
16. Length of the Longest Valid Substring
17. Expression contains redundant bracket or not
18. Implement Stack using Queue
19. Implement Stack using Deque
20. Stack Permutations (Check if an array is stack permutation of other)
21. Implement Queue using Stack
22. Implement "n" queue in an array
23. Implement a Circular queue
24. LRU Cache Implementationa
25. Reverse a Queue using recursion
26. Reverse the first “K” elements of a queue
27. Interleave the first half of the queue with second half
28. Find the first circular tour that visits all Petrol Pumps
29. Minimum time required to rot all oranges
30. Distance of nearest cell having 1 in a binary matrix
31. First negative integer in every window of size “k”
32. Check if all levels of two trees are anagrams or not.
33. Sum of minimum and maximum elements of all subarrays of size “k”.
34. Minimum sum of squares of character counts in a given string after removing “k” characters.
35. Next Smaller Element