题干中并没有说是3位数
by Tzy090420 @ 2024-01-22 14:21:07
@[20110313lrr](/user/1256429)
by Tzy090420 @ 2024-01-22 14:22:44
还要包括负数和0
by yanghanhang @ 2024-01-22 16:56:01
@[20110313lrr](/user/1256429) 如果是230，反过来还要去0，变成32，小数末尾要省略
by yanghanhang @ 2024-01-22 16:58:30
@[yanghanhang](/user/1266787)
```cpp
if(n<0&&ge!=0)
shu=-(100*(ge-2*ge)+10*(shi-2*shi)+(bai-2*bai));
else if(n<0&&ge==0)
shu=-(10*(shi-2*shi)+(bai-2*bai));
```
这是考虑的0
by 20110313lrr @ 2024-01-22 17:16:16
@[Tzy090420](/user/469213) 谢了
by 20110313lrr @ 2024-01-22 17:16:55