More Problems

• 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.
• Implement a function to push elements into a stack and pop elements until an odd number is encountered.
• Write a program to push elements into a stack and pop elements based on their index (prime indices first).
• Create a function to reverse an infix expression using a stack.