1: Write a program to find the longest substring that starts and ends with the same character using hashing.
2: Implement a function to find the most frequently occurring word in a sentence using hashing.
3: Create a hash map to track the scores of different teams in a competition.
4: Write a program to find the unique number of items in an online shopping cart using hashing.
5: Implement a function to check if a string is a valid palindrome, considering only alphanumeric characters using hashing.
6: Create a hash table to store video game scores and retrieve them by player ID.
7: Write a program to find the maximum sum of two non-overlapping subarrays using hashing.
8: Implement a function to find the k most frequent elements in an array using hashing.
9: Create a hash map to track the number of views for different videos.
10: Write a program to find the longest contiguous subarray with an equal number of 0s and 1s using hashing.
C is a general-purpose programming language that is widely used for system programming and application development.
C++ is a high-level programming language that supports object-oriented, procedural, and generic programming paradigms.
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A linked list is a linear data structure where each element is a separate object, and elements are linked using pointers.
A stack is a linear data structure that follows the Last In First Out (LIFO) principle, where elements are added and removed from the top.
Strings are sequences of characters used to store and manipulate text in programming, offering various operations for data handling.
Computer Networking refers to the practice of connecting computers and devices to share resources and information.
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Theory of Computation deals with understanding the capabilities and limitations of computers in solving problems.
HTML (HyperText Markup Language) is the standard markup language for documents designed to be displayed in a web browser.
The Internet of Things (IoT) is a network of interconnected devices that communicate and exchange data with one another.
