More Problems

• Implement a function to push elements into a stack and check if all elements are unique.
• Write a program to reverse every third element in a stack.
• Create a function to push elements into a stack and remove elements greater than the median.
• Write a program to push characters of a string into a stack and remove all vowels.
• Implement a function to push the squares of numbers from an array into a stack.
• Write a program to push elements into a stack and keep only the prime numbers.
• Create a function to push all elements from an array into a stack and count the number of even elements.
• Write a program to push elements into a stack and check if the elements are sorted in descending order.