More Problems

• Write a program to push the elements of a binary trees preorder traversal into a stack.
• Create a function to push elements into a stack and remove all even elements greater than 50.
• Write a program to reverse every other element in a stack using a second stack.
• Implement a function to push the first n triangular numbers into a stack.
• Write a program to push numbers into a stack and remove all multiples of 15.
• Create a function to reverse the order of every second group of k elements in a stack using recursion.
• Write a program to push elements into a stack and count how many of them are perfect squares.
• Implement a function to push elements from a queue into a stack and pop them in reverse order.