More Problems

• Implement a function to push the elements of a binary tree’s postorder traversal into a stack.
• Write a program to push numbers into a stack and pop the first element that is divisible by 7.
• Create a function to reverse the digits of all even numbers in a stack using recursion.
• Write a program to push elements into a stack and remove elements smaller than the bottom element.
• Implement a function to reverse every other element in a stack using recursion.
• Write a program to push elements from an array into a stack and count how many of them are divisible by 4.
• Create a function to push numbers into a stack and remove every second prime number.
• Write a program to push elements into a stack and remove all multiples of 13.