More Problems

• Implement a function to reverse the first n elements of a stack using a second stack.
• Write a program to push elements into a stack and count how many of them are odd-indexed.
• Create a function to push the elements of a matrix into a stack row by row, and reverse each row.
• Write a program to reverse every second element in a stack without using another stack.
• Implement a function to push numbers into a stack and pop the first prime number greater than 20.
• Write a program to push the characters of a string into a stack and reverse the order of the words.
• Create a function to reverse every other group of k elements in a stack using recursion.
• Write a program to push elements into a stack and count how many of them are divisible by both 4 and 5.