More Problems

• Create a program to check if a number is a Keith number.
• Write a program to calculate the sum of the first n triangular numbers.
• Implement a function to find the number of unique paths in a grid with obstacles.
• Create a program to compute the area of a triangle given its base and height.
• Write a program to check if a string is a valid hexadecimal number.
• Implement a function to find the maximum product of a contiguous subarray of size k.
• Create a program to check if a number is a perfect number using its divisors.
• Write a program to calculate the average of a list of integers.