More Problems

• Write a program to check if a number is a palindrome.
• Write a program to convert a string to uppercase.
• Write a program to calculate the sum of the first n squares.
• Write a program to check if a string is a rotation of another string.
• Write a program to find the intersection of two arrays.
• Write a program to implement a simple budget calculator.
• Write a program to display a character pattern in a pyramid shape.
• Write a program to check if a string is a valid hexadecimal number.