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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
评论写中文给who see? O_o
额外添加了900,400,40,9后就不需要其他逻辑了!
聪明,其实不需要用列表将ab存储起来
加不加自己的分数都没关系,只要自己比班里其他人平均分高,则加上自己也必然是更高的