Discussion – Lesson 3 - Arithmetic of pointers in C++
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Pointer Arithmetic with sizeof: The sizeof operator can be used to determine
the size of a particular data type. It is often used in pointer arithmetic to
ensure correct movement based on the size of the data type. For example:
int* ptr = /* Pointer to an integer */;
ptr += sizeof(int); // Moves the pointer to the next integer element
Pointer arithmetic can be a powerful tool in C++ for iterating over arrays,
manipulating data in memory, and working with dynamic memory allocation.
However, it requires careful attention to ensure proper usage and avoid errors
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