using System;

public class Program

{

        // Requirements: 

        // Write the algorithm to do a summation of all even numbers from 0 to parameter "limit".

        // e.g: Input: 10 Output: 30 

        public static int SumEvenNumbers(int limit)

        {

            return 0;

        }

​

        public static void Main()

        {

            Assert(10, 30);

            Assert(20, 110);

            Assert(100, 2550);

        }

​

        private static void Assert(int limit, int expected)

        {

            var sum = SumEvenNumbers(limit);

​

            if (sum != expected)

            {

                Console.WriteLine(string.Concat("FAILED: Sum of even numbers from 0 to number ", limit, " is expected to be ", expected));

            }

            else

            {

                Console.WriteLine(string.Concat("SUCCESS: Correct sum of ", sum, " for number ", limit));

            }

        }

}