More Problems

• Write a program to push elements into a stack and count how many of them are prime numbers.
• Create a function to push elements into a stack and remove elements greater than the mean of the stack.
• Write a program to reverse the elements of a stack by using only one additional stack.
• Implement a function to push the elements of a string into a stack and remove all digits.
• Write a program to push elements into a stack and find the maximum difference between two elements.
• Create a function to push elements from an array into a stack and keep only elements with even indices.
• Write a program to push elements into a stack and pop elements until their sum exceeds a given value.
• Implement a function to reverse the elements of a stack in groups of k.