More Problems

• Create a program to determine if a string is a valid email address.
• Write a program to find the number of perfect cubes below a given number.
• Implement a function to calculate the sum of all even numbers up to n.
• Create a program to find the longest common subsequence between two strings.
• Write a program to check if a number is a prime number using trial division.
• Implement a function to calculate the area of a sector given the radius and angle.
• Create a program to find the sum of the first n odd numbers.
• Write a program to check if a number is a triangular number.