More Problems

• Implement a stack to find the longest valid substring of parentheses.
• Write a program to implement a basic calculator using a stack for handling operations and parentheses.
• Design a function to check if two stacks contain the same sequence of elements.
• Implement a function to push elements into a stack and find the span of stock prices.
• Write a program to convert a decimal number to binary using a stack.
• Design a stack-based function to evaluate an arithmetic expression in infix notation.
• Create a function to sort a stack using another stack.
• Write a program to find the maximum area of a histogram using a stack.