publicclassSum { publicstaticvoidMain() { var sr = new StreamReader(Console.OpenStandardInput()); var sw = new StreamWriter(Console.OpenStandardOutput()); var count = Convert.ToInt32(sr.ReadLine());
for (var i = 0; i < count; i++) { var tokens = sr.ReadLine().Split(' '); var n = Convert.ToInt32(tokens[0]); var t = Convert.ToInt32(tokens[1]); for (var j = 0; j < t; j++) { var intArray = n.ToString().ToCharArray(); Array.Sort(intArray); var z = Convert.ToInt32(newstring(intArray)); Array.Reverse(intArray); var f = Convert.ToInt32(newstring(intArray)); n = Math.Abs(z - f); } sw.WriteLine(n); }