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BASIC (8)
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- Sort a linked list of 0s, 1s and 2s
- Detect Loop in linked list
- Merge Sort
- Quick Sort
- Bottom View of Binary Tree
- Tree Boundary Traversal
- Two Stacks in an Array
- The Celebrity Problem
- Gas Station
- Remove loop in Linked List
- Palindrome Linked List
- Top View of Binary Tree
- Maximum path sum
- Find length of Loop
- Rotate Array
- Spirally traversing a matrix
- Search in a sorted Matrix
- Rotate by 90 degree
- Subarray with 0 sum
- Infix to Postfix
- Allocate Minimum Pages
- Rotate a Matrix
- Longest Subarray with Sum K
- First negative in every window of size k
- First and Last Occurrences
- Smaller on Left
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Help Classmates
- Iterative Postorder
- Design Browser History
- Maximum Meetings in One Room
- Aggressive Cows
- Find the first node of loop in linked list
- Reverse a linked list
- Remove duplicates from an unsorted linked list
- Split a Linked List into two halves
- Bubble Sort
- Selection Sort
- Insertion Sort
- Height of Binary Tree
- Middle of a Linked List
- Check If Circular Linked List
- Left View of Binary Tree
- Delete Middle of Linked List
- Remove Duplicates from a Sorted Linked List
- Level Order in spiral form
- Stack using Linked List
- Identical Trees
- Square Root
- Binary Search
- Remove Duplicates Sorted Array
- Delete in a Singly Linked List
- Insert in a Sorted List
- Reverse Using Stack
- Queue Reversal
- Reverse first K of a Queue
- Delete Mid of a Stack
- Implement Stack Using Array
- Frequencies in a Limited Array
- Floor in a Sorted Array
- Print Matrix in snake Pattern
- Transpose of Matrix
- Matrix Boundary Traversal
- Reverse Words
- Parenthesis Checker
- Generate Binary Numbers
- N meetings in one room
- Sorted and Rotated Minimum
- Chocolate Distribution Problem
- Number of occurrence
- Shop in Candy Store
- Armstrong Numbers
- Ceil The Floor
- Check if it is possible to survive on Island
- Maximising score
- Search in Linked List
- Array to Linked List
- Introduction to Trees
- Binary Tree Representation