More Problems

• Write a program to check if a string contains valid XML tags.
• Write a program to calculate the area of a triangle given its vertices.
• Write a program to implement a simple task tracking application.
• Write a program to find the first character that appears twice in a string.
• Write a program to check if a number is a strong number using a function.
• Write a program to convert a fraction to a decimal.
• Write a program to find the maximum frequency of any character in a string.
• Write a program to implement a basic email client.