Data Structures and Algorithms208010 marksPostfix expression evaluation algorithm
What is stack? Explain different stack operations. Explain algorithm to evaluate postfix expression.
What is stack? Explain different stack operations. Explain algorithm to evaluate postfix expression.[10]
--- A stack is a linear data structure that follows the LIFO (Last In, First Out) principle. This means the element inserted last is the first one to be removed. A stack can be visualized as a pile of plates: you add a plate on top and also remove from the top. Key characteristics: - All insertio...