1. Basics of Arrays
 Concept: Understanding what arrays are, how they are stored, and basic operations like insertion, deletion, and traversal.
 TwoDimensional Arrays: Learning about how 2D arrays are stored and accessed.

Traversal Problems:
 Wave Form Traversal: LeetCode Problem  Diagonal Traverse
 Spiral Form Traversal: LeetCode Problem  Spiral Matrix
2. Basics of Strings
 Concept: Understanding how strings are stored in memory and basic string operations.

Basic Problems:
 Reverse a String: LeetCode Problem  Reverse String
 Check if a String is a Palindrome: LeetCode Problem  Valid Palindrome
 Remove Vowels from a String: LeetCode Problem  Remove Vowels from a String
 Practice Link: LeetCode  Strings Problems
3. Sorting Algorithms
 Selection Sort: LeetCode Discussion on Selection Sort
 Bubble Sort: LeetCode Discussion on Bubble Sort
 Insertion Sort: LeetCode Problem  Insertion Sort List
 Practice Link: LeetCode  Sorting Problems
4. Time and Space Complexity
 Learning about the analysis of algorithms in terms of time and space complexity.
5. Algorithms on Arrays
 Binary Search: LeetCode Problem  Binary Search

Dutch National Flag Algorithm:
 Sort 0s and 1s: LeetCode Problem  Sort Colors (0s and 1s variation)
 Sort 0s, 1s, and 2s: LeetCode Problem  Sort Colors

Two Pointers Technique:
 Pair Sum: LeetCode Problem  Two Sum
 Triplet Sum: LeetCode Problem  3Sum
 Sliding Window Algorithm: LeetCode Problem  Minimum Size Subarray Sum
 Kadane's Algorithm: LeetCode Problem  Maximum Subarray
6. Applications on Arrays
 Overlapping Intervals: LeetCode Problem  Merge Intervals
 Second Largest Element in an Array: LeetCode Problem  Kth Largest Element in an Array
 Minimum Number of Platforms: LeetCode Problem  Minimum Number of Platforms (Discussion and Custom Problems)
7. Applications on MultiDimensional Arrays
 Search in RowWise and ColumnWise Sorted Matrix: LeetCode Problem  Search a 2D Matrix II
 Inplace Rotate Matrix by 90 Degrees: LeetCode Problem  Rotate Image
 Matrix Median: LeetCode Discussion  Matrix Median
 Other Questions: LeetCode  2D Arrays Problems
8. Applications on Strings
 Longest Substring Without Repeating Characters (Sliding Window): LeetCode Problem  Longest Substring Without Repeating Characters
 Anagram Difference (Hashmap): LeetCode Problem  Minimum Number of Steps to Make Two Strings Anagram
 Shortest Substring with All Characters (Two Pointers): LeetCode Problem  Minimum Window Substring
 Minimum Operations to Make Strings Equal (Hashmap): LeetCode Problem  Minimum Operations to Make Array Equal
 Other Questions: LeetCode  String Problems
This roadmap now provides a path to mastering arrays and strings using LeetCode problems, which are widely recognized for interview preparation.
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