More Problems

• Write a program to find the total number of uppercase and lowercase letters in a string.
• Write a program to check if a number is a perfect cube using a function.
• Write a program to implement a simple gradebook system.
• Write a program to calculate the area of a sector given the radius and angle.
• Write a program to check if a string is a valid binary number.
• Write a program to find the smallest number in a 2D array.
• Write a program to implement a simple web server simulation.
• Write a program to check if a number is an evil number using bitwise operations.