@[ssry](/user/1073634) 数组开1005实际空间是0-1004，访问1005会越界
by zxh923 @ 2023-11-24 17:05:46
@[ssry](/user/1073634) 数组
```cpp
int a[1005];
```
的下标范围为 $0\cdots 1004$，
```cpp
for(i=1;i<=1005;++i)
if(a[i]==1) ans++;
cout<<ans<<endl;
for(i=1;i<=1005;++i)
if(a[i]==1) cout<<i<<" ";
```
访问到了 $1005$。
by Po7ed @ 2023-11-24 17:07:33
@[zxh923](/user/795784) 懂了，谢谢谢谢
by ssry @ 2023-11-27 14:13:46
@[Po7ed](/user/745171) 懂了，感谢
by ssry @ 2023-11-27 14:14:31