int *arr = (int*)malloc(sizeof(int)*501);这行代码是什么意思
时间: 2023-08-17 14:05:45 浏览: 175
这行代码是在C语言中动态分配了一个大小为sizeof(int)*501的内存空间,并将其地址赋给了指针变量arr。这意味着arr指针可以用来访问这个连续的内存区域,该区域可以存储501个int类型的数据。
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