C# ACM poj1005

大水题呀

        public static void acm1005(int n, float[,] a)
        {
            float pi = 3.1415926f, rr;
            int years;
            for (int i = ; i < n; i++)
            {
                rr = a[i,] * a[i,] + a[i,] * a[i,];
                int area =(int)(pi * rr);
                years = Convert.ToInt32(area / +);
                Console.WriteLine(years);
            }
            Console.WriteLine("END OF OUTPUT.");
        }