More Problems

• Implement a function to find the number of unique characters in a string.
• Create a program to calculate the area of a triangle given its vertices.
• Write a program to compute the number of combinations of n items taken k at a time.
• Implement a function to find the sum of the digits of a number until it is a single digit.
• Create a program to check if a number is a Keith number.
• Write a program to find the area of a sector given the radius and angle.
• Implement a function to find the total number of prime factors of a number.
• Create a program to determine if a number is a strong composite number.