1: Implement a function to find the first repeated character in a string using hashing.
2: Create a hash map to store the last occurrence of each character in a string.
3: Write a program to find the smallest window that contains all characters of another string using hashing.
4: Implement a function to find all unique triplets in an array that sum to zero using hashing.
5: Create a hash table to store the grades of students and retrieve them by student ID.
6: Write a program to check if a string is a subsequence of another string using hashing.
7: Implement a function to count the number of distinct words in a sentence using hashing.
8: Create a hash map to store product reviews and retrieve them by product ID.
9: Write a program to find the maximum frequency of any character in a string using hashing.
10: Implement a function to find the two elements in an array that are closest to each other 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.
