你是:
```cpp
a = new int;
```
但你应该是:
```cpp
a = new int[10000000];
```
by longlongzhu123 @ 2018-08-11 23:53:03
因为
```cpp
a = new int;
```
只是申请一块int的空间(大小为4Byte)
而像这样:
```cpp
*(a + i)
```
就会访问到奇怪的地方去
by longlongzhu123 @ 2018-08-11 23:54:44