More Problems

• Create a function to push numbers into a stack and keep only the elements at even indices.
• Write a program to push the characters of a string into a stack and reverse only the vowels.
• Implement a function to find the product of all prime elements in a stack.
• Write a program to push the digits of a number into a stack and reverse the number if it is divisible by 5.
• Create a function to push elements into a stack and find the kth smallest element.
• Write a program to push elements into a stack and reverse the first n elements.
• Implement a function to push elements from a queue into a stack and print the stack in reverse order.
• Write a program to push characters of a sentence into a stack and count the number of vowels.