某市要举行春季中学生乒乓球比赛,各校共报名158人.筹备组决定实行“淘汰制”比赛.也就是说,不论哪一轮比赛,某选手只要输一场就要被淘汰,以后不再参赛.为了使多数选手不至于在比赛一开始就被淘汰掉,使得参赛机会尽可能均等,筹备组在编排竞赛场次时,总是把轮空放在第一轮.因为2 A city is going to hold a spring table tennis competition for middle school students. Each school has registered a total of 158 people. The preparatory group decided to implement the “elimination system” competition. That is to say, no matter which round of competition, a player must be eliminated as long as he loses a game. Re-entry. In order for most players not to be eliminated at the beginning of the game, so that the opportunity is as equal as possible, the preparatory group always put the round in the first round.