More Problems

• Implement a function to find the longest common prefix among an array of strings.
• Create a program to determine if a number is a Keith number.
• Write a program to calculate the average of prime numbers in a list.
• Implement a function to find the total number of trailing zeroes in the factorial of a number.
• Create a program to calculate the sum of squares of the first n natural numbers.
• Write a program to determine the number of combinations of n items taken k at a time using factorial.
• Implement a function to find the maximum product of two numbers in an array.
• Create a program to check if a number is a Kaprekar number.