@[FFFTTTHHH](/user/755205) 你的快读第二个 `while` 少了输入
by 8atemak1r @ 2022-11-18 20:20:10
快读写错了。
by HMZHMZHMZ @ 2022-11-18 20:20:17
应该是因为样例只给了你一位数所以正好对了
by HMZHMZHMZ @ 2022-11-18 20:20:50
```cpp
while(isdigit(c)) {ret=(ret<<1)+(ret<<3)+(c^48);
return ret*w;}
```
改为
```cpp
while(isdigit(c)) {ret=(ret<<1)+(ret<<3)+(c^48);c=getchar();}
return ret*w;
```
by HMZHMZHMZ @ 2022-11-18 20:22:59
@[HMZHMZHMZ](/user/428089) 谢谢大佬
by FFFTTTHHH @ 2022-11-18 20:28:00
@[8atemak1r](/user/305121) 感谢感谢
by FFFTTTHHH @ 2022-11-18 20:33:43