Given a two dimensional array below, write a C++ program, using a function only and no loops, to add the arrays together:

int main() { int twoDimArray[4][4] = { { 2, 4, 6, 8 }, { 3, 6, 9, 12 }, { 4, 8, 12, 16 }, { 5, 10, 15, 20 } };