我加快读过了啊
by Ln_YJIn @ 2019-10-28 21:05:16
???这根快读啥关系。。
by jerry3128 @ 2019-10-28 21:05:45
@[love好o](/space/show?uid=129342)
您的快读写错了
```cpp
while(b<'0'&&b>'9'){
if(b=='-')k=-1;
b=getchar();
}
```
应为
```cpp
while(b<'0'||b>'9'){
if(b=='-')k=-1;
b=getchar();
}
```
b<'0'与b>'9'不可能同时成立
by andyli @ 2019-10-28 21:12:06
知道了,我是大龙瞎!
by love好o @ 2019-10-28 21:27:23