@[IDTHN](/user/576826) 前缀不一定只有一个字母,把`char c`改为`string c`就行了 by dtrthg @ 2023-02-20 19:40:47
@[dtrthg](/user/379113) 懂了懂了,谢谢大佬 by IDTHN @ 2023-02-20 19:57:18