Hey all!
List of problems that would help you in developer interview prep.
1. Array Basics here
· Introduction to Arrays
· Accessing Array Elements
· Insertion and Deletion in Arrays
· Traversal of Arrays
· Static vs. Dynamic Arrays
2. Searching and Sorting in Arrays
· Linear Search
· Binary Search
· Bubble Sort
· Selection Sort
· Insertion Sort
· Merge Sort
· Quick Sort
· Heap Sort
· Counting Sort
· Radix Sort
3. Array Manipulation Techniques
· Reverse an Array
· Rotate an Array (Left and Right Rotations)
· Prefix Sum and Suffix Sum Arrays
· Kadane’s Algorithm (Maximum Subarray Sum)
· Finding Missing Number in an Array
· Two-Pointer Technique
· Sliding Window Technique
· Partitioning an Array (Dutch National Flag Problem)
· Rearranging Positive and Negative Numbers
4. Searching and Indexing in Arrays
· Finding the First and Last Occurrence of an Element
· Finding Majority Element (Boyer-Moore Voting Algorithm)
· Searching in a Rotated Sorted Array
· Finding Peak Element
· Finding Fixed Point (Index where A[i] = i)
· Searching in 2D Arrays
5. Optimization and Advanced Array Problems
· Finding Subarray with Given Sum
· Longest Consecutive Subsequence
· Finding Duplicates in an Array
· Merging Intervals
· Finding Common Elements in Two Arrays
· Maximum Product Subarray
· Trapping Rainwater Problem
· Maximum Profit from Stock Prices
· Longest Increasing Subsequence
· Subarray Sum Equals K
6. Mathematical Problems on Arrays
· Finding Pair with Given Sum (Hashing Approach)
· Finding Triplets with Zero Sum
· Three Sum Problem
· Four Sum Problem
· Product of Array Except for Self
· Find All Numbers Disappeared in an Array
· Finding the Median of Two Sorted Arrays
· XOR of All Elements in an Array
· Majority Element in an Array (Using HashMap)
· Smallest Missing Positive Integer
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