改成这样：
```cpp
for(register int i = 1; i <= n; i ++) {
cin >> a[i];
ans += a[i];
if(ans<=0) sum = max(sum, 1 - ans);
} cout << sum;
```
其他的不动
by End_of_time @ 2022-11-15 12:52:32
@[Hai_Wei___naixiong](/user/511445)
by End_of_time @ 2022-11-15 12:55:28
@[EGPlayer](/user/539983) 感谢！！！
by Hai_Wei___naixiong @ 2022-11-15 13:01:21
用数组的道理何在？
by xiaorang @ 2022-12-05 07:00:43