特判\kk
by Daidly @ 2021-08-20 21:38:54
子串极值为空
by Daidly @ 2021-08-20 21:39:50
确实，应该特判一下序列里自然数的个数
```cpp
if(cnt<=1){
sort(a+1,a+n+1);
printf("%d",a[n]+a[n-1]);
return 0;
}
```
by Butane @ 2022-02-08 09:42:05
其实在特判全负数的时候稍微改一改可以避免，但确实很多人代码被卡了
by winter2020 @ 2022-12-10 11:22:53