```cpp
if((str[iter]=="and"||str[iter]=="or")&&(str[iter=1]=="and"||str[iter-1]=="or")){//减号打成等于了......
cout<<"error";
return;
};
```
@[Kapo_Hisy](/user/922691)
by zrl123456 @ 2024-02-07 17:58:00
```cpp
if(str[iter=1]=="and"){//还有这
operated(true);
};
```
by zrl123456 @ 2024-02-07 17:59:36
改完后 $70$ 分
by zrl123456 @ 2024-02-07 18:10:28
应该是没有判断 not
by zrl123456 @ 2024-02-07 18:12:38