@[w_god](/user/1054475) 判断 $n=0$ 的情况，应该是 ```0 0``` （请关注我 by Perfect_Youth @ 2023-08-31 15:54:05
@[Perfect_Youth](/user/725816) Ok过了，谢谢大佬已关注%%% by w_god @ 2023-08-31 15:57:43