More Problems

• 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.
• Write a program to push elements into a stack and remove elements that are multiples of 4.
• Create a function to push elements from two stacks into a third stack and sort the third stack.
• Write a program to push the characters of a string into a stack and count the number of consonants.
• Implement a function to push elements from a stack into an array and remove all negative numbers.