MergeArrays

void merge_arrays(int A[], int B[], int res[], int size1, int size2) {

    int i, j, c = 0;

    for (i = 0, j = 0; (i < size1) && (j < size2);) {
        if (A[i] > B[j]) {
            res[c++] = B[j++];
        }
        else if (B[j] > A[i]) {
            res[c++] = A[i++];
        }
    }
    for (i = i; i < size1; i++) {
        res[c++] = A[i];
    }
    for (j = j; j < size2; j++) {
        res[c++] = B[j];
    }
}