评委给歌手打分，去掉一个最高分，去掉一个最低分。最后得出歌手的总分.-Judges scoring the singer to remove a maximum points, remove the lowest score. Finally arrive at the total score of the singer.

这是一个小型歌手比赛系统，这个系统包括输入选手信息，查询选手成绩，选手成绩排序，退出系统的4个选项。- This is a small singer contest system, the system includes an input player information, query the player scores, players score sort, exit 4 option system.