你把代码中for循环第一个if语句改成这样：
```cpp
if (left<0)
{
flag=1;
p=i+1;
break;
}
```
by LTR_serendipity @ 2022-11-02 18:09:38
@[Li_Tian_Ran](/user/559694) 懂了，感谢大佬解答！！
by Oewsxntoi @ 2022-11-05 16:12:16