DataStructure-Algorithms

This content is for placement prepration and interview also. Certainly! Here is the list of the top 10 frequently asked array-related questions in service-based company interviews:

Arrays

1. Two Sum
2. Maximum Subarray
3. Product of Array Except Self
4. Rotate Array
5. Missing Number
6. Majority Element
7. Merge Intervals
8. Move Zeroes
9. Container With Most Water
10. Next Permutation

LinkedList

1. Reverse a Linked List
2. Find the Middle Node
3. Detect Cycle in a Linked List
4. Merge Two Sorted Linked Lists
5. Remove Nth Node from the End
6. Intersection of Two Linked Lists
7. Remove Duplicates from a Sorted Linked List
8. Check if a Linked List is Palindrome
9. Swap Nodes in Pairs
10. Add Two Numbers Represented by Linked Lists

Stack

1. Valid Parentheses
2. Evaluate Reverse Polish Notation
3. Implement Stack using Queues
4. Next Greater Element
5. Largest Rectangle in Histogram
6. Simplify Directory Path
7. Min Stack
8. Implement Stack using Linked List
9. Exclusive Time of Functions
10. Baseball Game

Queue

1. Implement Queue using Stacks
2. Design Circular Queue
3. Sliding Window Maximum
4. Implement Queue using Linked List
5. Reconstruct Queue by Height
6. Design Hit Counter
7. Generate Binary Numbers
8. Recent Counter
9. Queue Reconstruction by Height
10. First Unique Number in a Stream