More Problems

• Implement a function to simulate a browsers history navigation with multiple forward and backward operations using stacks.
• Write a program to check whether a sequence of stack operations can generate a given output sequence.
• Create a function to reverse the elements of a stack while keeping every third element in place.
• Write a program to simulate a stack-based approach for solving the problem of rainwater trapping.
• Implement a function to evaluate a postfix expression with support for multiple operations and parentheses using a stack.
• Write a program to reverse the order of the words in a string using a stack of characters.
• Create a function to implement a stack-based approach for finding the longest valid parentheses substring in a given string.
• Write a program to merge two sorted stacks while ensuring that the resulting stack remains sorted.