How can I copy a part of an array to another array in C++?

Question

This is the same question asked in C# but i need for C++

How can I copy a part of an array to another array?

Consider I\'m having

    int[] a = {         


        

Answer 1

For simple C-style arrays you can use memcpy:

memcpy(b, &a[1], sizeof(int) * 3);

This line copies sizeof(int) * 3 bytes (i.e. 12 bytes) from index 1 of a, with b as a destination.