More Problems

• Write a program to check if a number is a prime number using a sieve algorithm.
• Write a program to find the sum of all prime numbers below a given number.
• Write a program to implement a basic character counting application.
• Write a program to check if a string is a valid binary search tree.
• Write a program to find the maximum sum of a contiguous subarray using Kadanes algorithm.
• Write a program to implement a simple online ticketing system for events.
• Write a program to check if a string contains only alphabetic characters.
• Write a program to calculate the area of a triangle given its base and height.