using System;
public class Test
{
public static void Main()
{
decimal d = 10;
decimal result = d / 10;
Console.WriteLine( string.Format("{0:0.0}", result ) );
// or
Console.WriteLine( result.ToString("0.0") );
}
}
dXNpbmcgU3lzdGVtOwoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCWRlY2ltYWwgZCA9IDEwOwogICAgICAgIGRlY2ltYWwgcmVzdWx0ID0gZCAvIDEwOwogICAgICAgIAogICAgICAgIENvbnNvbGUuV3JpdGVMaW5lKCBzdHJpbmcuRm9ybWF0KCJ7MDowLjB9IiwgcmVzdWx0ICkgKTsKCQkvLyBvcgoJCUNvbnNvbGUuV3JpdGVMaW5lKCByZXN1bHQuVG9TdHJpbmcoIjAuMCIpICk7Cgl9Cn0=