More Problems

• Implement a function to find the total number of unique characters in a string.
• Create a program to calculate the sum of cubes of the first n natural numbers.
• Write a program to check if two strings are anagrams.
• Implement a function to calculate the area of a trapezoid given its bases and height.
• Create a program to determine if a number is a Keith number.
• Write a program to calculate the maximum product of three integers in an array.
• Implement a function to check if a number is a prime palindrome.
• Create a program to find the number of perfect squares less than a given number.