@[liyong5114](/user/917683)
```
for(int i=2;i<=sqrt(a);i++){
if(a%i==0){
return false;
break;
}
return true;
}
```
把
```
return true;
```
移到循环外面
by 编码落寞 @ 2023-02-07 16:05:21
@[编码落寞](/user/557751)
过了，感谢
by rnfmabj5114 @ 2023-02-07 16:23:30