More Problems

• Design a function to calculate the result of a postfix expression with multiple operators using a stack.
• Write a program to simulate the management of an undo history in a text editor using multiple stacks.
• Create a function to validate whether a sequence of stack operations leads to a particular output.
• Write a program to implement a stack that supports merging with another stack.
• Implement a function to find the nearest smaller elements for each element in a circular array using a stack.
• Write a program to simulate a multi-level stack system used for managing resources in an operating system.
• Create a function to convert an arithmetic expression in infix notation to prefix notation using a stack.
• Write a program to simulate a stack-based calculator that supports variable assignment.