More Problems

• Write a program to convert a string to lowercase.
• Write a program to find the minimum sum of two numbers from an array.
• Write a program to check if a string is an anagram of a palindrome.
• Write a program to implement a simple quiz application with multiple-choice questions.
• Write a program to calculate the perimeter of a triangle given its sides.
• Write a program to find the longest substring without repeating characters.
• Write a program to check if a string contains only whitespace.
• Write a program to find the sum of digits of a number using a loop.