More Problems

• Implement a function to push elements into a stack and pop the first element that is greater than the top element.
• Write a program to reverse the order of elements in every second group of 4 elements in a stack.
• Create a function to push the digits of a number into a stack and reverse them if the number is even.
• Write a program to push elements into a stack and remove the top k elements.
• Implement a function to push elements from two stacks into a third stack and reverse them.
• Write a program to push the elements of a matrix into a stack row by row and reverse the matrix.
• Create a function to push elements into a stack and count how many of them are greater than 20.
• Write a program to push elements into a stack and remove all multiples of both 2 and 9.