More Problems

• Write a program to find the maximum product of elements in a stack after popping the top k elements.
• Design a function to calculate the result of a postfix expression with mixed operators and exponentiation.
• Implement a stack to store all Fibonacci numbers up to a given number using recursion.
• Write a program to reverse the order of elements in a stack by groups of k.
• Create a function to find the first non-repeating character in a string using a stack.
• Write a program to implement the Min-Stack, which supports push, pop, and finding the minimum element in constant time.
• Implement a function to evaluate a boolean expression in postfix notation using a stack.
• Write a program to simulate a stack-based approach for finding the maximum rectangle area in a binary matrix.