有没有可能是你忘记删```freopen``` 或者这个题目严格扣换行符或者空格
by Nickle @ 2021-10-11 06:45:59
嗯，我去测了测，是```freopen``` 的锅
by Nickle @ 2021-10-11 06:49:22
@[Nickle](/user/392707) 谢谢
by Demon_master @ 2021-10-13 16:33:29