More Problems

• Implement a function to find the number of unique characters in a string.
• Create a program to compute the maximum sum of a contiguous subarray of size k.
• Write a program to check if a number is a Harshad number.
• Implement a function to find the area of a triangle using base and height.
• Create a program to check if a number is a triangular number.
• Write a program to find the GCD of two fractions.
• Implement a function to determine if a number is a perfect square.
• Create a program to find the number of perfect cubes below a given number.