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Topic: Stack-question / Level: Beginner






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 Implement a function to find the minimum height of a binary tree using a stack. Write a function to find the largest element in a stack. Write a function to find the longest sequence of consecutive numbers in a stack. Implement a function to find the longest balanced substring of parentheses using a stack. Implement a function to sort a stack using recursion. Write a function to reverse a stack using recursion. Implement a function to check if a stack can be sorted with a single auxiliary stack. Implement a function to insert an element at the bottom of the stack. Implement a function to calculate the Fibonacci series using a stack. Implement a function to interleave two stacks. Write a function to remove the last element from a stack. Write a function to find pairs of elements that sum to a specific value in a stack. Write a function to evaluate a mathematical expression in postfix notation with error handling. Implement a function to find the middle element of a stack in O(1) time. Implement a stack using an array.