More Problems

• Write a program to push elements into a stack and remove every number that is greater than 60.
• Create a function to push numbers into a stack and count how many of them are prime.
• Write a program to reverse the order of every fourth element in a stack using recursion.
• Implement a function to push elements into a stack and pop elements until the sum of the popped elements exceeds 100.
• Write a program to push numbers into a stack and remove all multiples of 9.
• Create a function to reverse the order of every second group of k elements in a stack.
• Write a program to push elements into a stack and count how many of them are even.
• Implement a function to push the elements of a binary tree’s postorder traversal into a stack.