1: Implement a function to check if a string contains valid parentheses using a hash set.
2: Write a function to find the first non-repeating character in a string using hashing.
3: Implement a program to check if two strings are anagrams using a hash map.
4: Create a hash table to store user profiles and implement a function to retrieve a profile by user ID.
5: Write a program to count the frequency of each character in a given string using hashing.
6: Implement a function to find the longest substring without repeating characters using hashing.
7: Create a hash map to keep track of student IDs and their corresponding grades.
8: Write a program to find all pairs in an array that sum up to a specific target using hashing.
9: Implement a function to check if a list contains duplicates using a hash set.
10: Create a hash table to store product IDs and their prices and implement a function to get the price of a product.
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.
