{% embed url="https://gist.github.com/AbhyasKanaujia/b1aa2c5ba91e8a0b7796fecdbf52023a" %}

1. Different Ways to Add Parentheses
2. Decode String
3. Predict the Winner
4. Elimination Game
5. K-th Symbol in Grammar
6. Add Two Numbers
7. Count Good Numbers
8. Minimum Non-Zero Product of the Array Elements
9. Integer to English Words
10. Permutation Sequence
11. Wildcard Matching

23. Backtracking Homework

1. Beautiful Arrangement

1. Combination Sum
2. Combination Sum II
3. Combination Sum III

25. Backtracking III Homework

1. Word Search

26. Time Complexity of Recursive Algorithm & OOPS I

1. Padding & Alignment
2. Does a class use space in C++? In Java?
3. Deep copy & Shallow cop

**29. **Linked List I

1. Singly
2. Doubly
3. Circular
4. Circular Doubly

30. Linked List II

1. Reverse a LL
2. Find Middle of LL
3. Check if LL is circular
4. Reverse LL in k Groups
5. Palindrome LL
6. Sort 0s, 1s and 2s

31. Linked List III

1. Print Kth Node from the end. 4 approaches
2. Detect and Delete Loop
3. Intersection Point of LL. 4 approaches
4. Flatten a LL (recursion)
5. Remove Duplicate from sorted/unsorted LL
6. Add 1 to LL
7. Add two LL
8. Clone LL with random pointer
9. Delete m nodes after n nodes
10. Reverse alternate k nodes
11. Why is quick sort preferred fore arrays, and why merge sort is preferred for LL?

𝒜𝒷𝒽𝓎𝒶𝓈