use of fprintf

[praneshiitm]

i have two variables which are arrays and want them to be written below the other once all the values of one variable is written . how can i do that using fprintf function in c++ ?

[Smac89]

int main() {
    FILE *myfile = fopen("file.txt", "w+");

    int arr1[] = {4, 5, 6, 7, 2, 3};
    int arr2[] = {1, 8, 9, 10, 11};
    int t;

    if (NULL != myfile) {
        for (t = 0; t < sizeof arr1 / sizeof arr1[0]; ++t)
            fprintf(myfile, "%d ", arr1[t]);
        
        fputc('\n', myfile);
        for (t = 0; t < sizeof arr2 / sizeof arr2[0]; ++t)
            fprintf(myfile, "%d ", arr2[t]);
    }
    else {
        ferror("Can't create or open the file!");
        return 1;
    }

    return 0;
}