More Problems

• Create a function to solve the problem of finding the nearest greater element on both sides of each element in an array using a stack.
• Write a program to simulate a stack-based version control system with multiple levels of undo.
• Implement a function to evaluate an arithmetic expression with mixed operators and multiple levels of parentheses using a stack.
• Write a program to reverse every second element in a stack using a second stack.
• Create a function to solve the problem of finding the next smaller element in a circular array using a stack.
• Write a program to simulate a card sorting system using multiple stacks.
• Implement a function to reverse the order of every k elements in a stack recursively.
• Write a program to evaluate a boolean expression with AND, OR, and NOT operators using a stack.