1: Remove duplicate characters from a string.
2: Find the most frequent character in a string.
3: Concatenate two strings without using built-in functions.
4: Find the second most frequent character in a string.
5: Remove the first occurrence of a character in a string.
6: Remove all occurrences of a character in a string.
7: Check if a string starts with a given substring.
8: Check if a string ends with a given substring.
9: Check if a string contains a given substring.
10: Find the longest word in a string.
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.
