kjh kjh - 1 year ago 142
C++ Question

C++ concatenate two int arrays into one larger array

Is there a way to take two int arrays in C++

int * arr1;
int * arr2;
//pretend that in the lines below, we fill these two arrays with different
//int values

and then combine them into one larger array that contains both arrays' values?

Answer Source
int * result = new int[size1 + size2];
copy(arr1, arr1 + size1, result);
copy(arr2, arr2 + size2, result + size1);

Just suggestion, vector will do better as a dynamic array rather than pointer

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