private static void TestRank()
{
int[] ints = StdIn.ReadAllInts();
Array.Sort(ints);
while (!StdIn.IsEmpty())
{
int key = StdIn.ReadInt();
if (Rank(key, ints) < 0)
{
StdOut.Println(key); //如果不在名单里 则打印
}
}
}