说明：例如网球比赛，有N名运动员参加比赛。设计的比赛日程表要能够满足下列要求：
（1）每个选手必须与其他N-1个选手各赛一次；
（2）每个选手一天只能参赛一次；
（3）循环赛在N-1天内结束。
输入运动员的名字，程序输出比赛日程表。(Explanation: for example, there are N players competing in a tennis match. The design schedule should be able to meet the following requirements:
(1) each player must compete with the other N-1 players once;
(2) each player can only participate once a day;
(3) the round robin ends in N-1 days.
Enter the athlete's name, and the program outputs the race schedule.)