不对,发现了一个问题:
```cpp
while (i != 'z')
```
应该改成:
```cpp
while (i <= 'z')
```
by PeterWinchester @ 2021-07-23 09:48:24
改了还是TLE。QAQ
by PeterWinchester @ 2021-07-23 09:49:28
因为你回溯时把vis置为0了,找欧拉路不需要置为0,~~虽然我也不知道为什么~~
by 966123anyunchuan @ 2021-10-17 01:31:45