[英]How to correctly delete 2d array with known second dimension size?
My array: 我的阵列:
int (*arr)[100] = new int[100][100];
How should I correctly delete this? 我应该如何正确删除它?
edit: I know how delete works, but i am not sure if I should delete it like this 编辑:我知道删除是如何工作的,但我不确定是否应该删除它
delete[] arr;
or like this 或者像这样
for(int i = 0; i < 100; i++) {
delete[] arr[i];
}
delete[] arr;
A simple delete[] arr;
一个简单的
delete[] arr;
should do just fine. 应该做得很好。
Whether you are freeing new int[100][100][100][100]
or new int[100]
you use delete[] x;
无论你是在释放
new int[100][100][100][100]
还是new int[100]
你都使用delete[] x;
. 。 If it's a single object, you use
delete x;
如果它是单个对象,则使用
delete x;
. 。
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