13 окт. 2008 г. · When you allocate memory on the heap, your allocator will keep track of how much memory you have allocated. This is usually stored in a "head" segment. How does delete[] know the size of an array? - Stack Overflow How does the delete in C++ know how many memory locations ... How does delete[] know how much memory to delete? [duplicate] How would I use the sized operators delete/delete[] and why ... Другие результаты с сайта stackoverflow.com

Продолжительность: 12:24
Опубликовано: 25 февр. 2017 г.

22 июн. 2021 г. · But when you delete the array, all you have to provide is a pointer to the first element. So how does it know how many bytes of memory to free?

21 окт. 2008 г. · delete frees memory. The amount of memory freed in the above code is equal to the amount required to store an int.

30 июл. 2019 г. · New operator stores the no of elements which it created in main block so that delete [] can deallocate that memory by using that number.

11 июл. 2013 г. · Here my question is how does ““delete”” only deletes that 4 bytes if it is allocated contiguously or in different locations with out affecting other memory.

8 сент. 2023 г. · In C++, the delete operator should only be used for deallocating the memory allocated either using the new operator or for a NULL pointer, and ...

8 дек. 2020 г. · Delete operator is used to deallocate the memory created by new operator at run-time. Once the memory is no longer needed it should by freed so ...

If you cannot handle allocation/deallocation implicitly as part of an object you need in your application anyway, you can use a resource handle to minimize the ...

27 июл. 2022 г. · It just counts the number of elements in an array, calls a destructor for each object, and then deallocates the memory (along with the hidden variable).