More Problems

• Write a program to check if a string is a valid palindrome with a given set of characters.
• Write a program to convert kilometers per hour to miles per hour.
• Write a program to implement a basic student grading system.
• Write a program to find the maximum element in a linked list.
• Write a program to check if a given string is a valid date in the format YYYY-MM-DD.
• Write a program to find the frequency of words in a string.
• Write a program to calculate the sum of digits at even positions in a number.
• Write a program to implement a simple restaurant menu application.