修改了代码,现在ac了,为什么上面就不行了,
```cpp
#include <cstdio>
using namespace std;
int a,b,c;
int main(){
scanf("%1d",&a);
while(scanf("%1d",&b)!=EOF){
if(a!=b)++c;
a=b;
}
if(a==0)++c;
return printf("%d",c)&0;
}
```
by duhui413 @ 2022-04-13 16:38:11
你一开始WA哪两个点?我第一次也80,WA #1 和 #5 。后来还是AC了
by yzy041616 @ 2022-04-13 16:51:02
getchar返回的是int类型,不是char类型哦
by ENUZ @ 2022-08-03 20:21:54