1: Implement a function to perform a postorder traversal of a binary tree using a stack.
2: Write a function to evaluate a complex expression using a stack.
3: Implement a function to create a stack that supports range queries.
4: Write a function to find the maximum difference between any two elements in a stack.
5: Implement a function to check if a stack can be sorted using a single auxiliary stack.
6: Write a function to find the longest increasing subsequence of integers in a stack.
7: Implement a function to generate all possible permutations of a string using a stack.
8: Write a function to find the total number of valid configurations of a stack.
9: Implement a function to create a stack that supports conditional operations.
10: Write a function to find the longest substring of unique characters in a stack.
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.
