using System; class Program { public static void Main() { string line; int num = 0; while ((line = System.Console.ReadLine ()) != null) { // 注意 while 处理多个 case string tokens = line; string t = Console.ReadLine(); if(t==null)continue; //Console.WriteLine("第一行的字符串:{0},第二行是单个字符{1}",tokens[0],...