.Net学习笔记----2015-07-10（基础复习和练习07）

        static void Main(string[] args)
        {
            int[] score = new int[30];

            Random r = new Random();
            //int rNumber = r.Next(1, 101);
            //double sum = 0.00;
            //for (int i = 0; i < score.Length; i++)
            //{
            //    score[i] = r.Next(1, 101);
            //    Console.WriteLine(score[i]);
            //    //sum += score[i];
            //}
            
            
            Console.Write(Math.Round(AvgScore(score),2));
            Console.ReadKey();
        }

        static double AvgScore(int[] score)
        {
            Random r = new Random();
            
            double sum = 0.00;
            for (int i = 0; i < score.Length; i++)
            {
                score[i] = r.Next(1, 101);
                sum += score[i];
            }
            return sum / score.Length;
        }