int main()
{
int arr1[N],arr2[N],arr3[N*2];
input_arr(arr1);
input_arr(arr2);
comb_arr(arr1,arr2,arr3);
output_arr(arr3);
return 0;
}
int main(void)
{
stu_t arr[2] = {};
input_arr(arr, 2);
traval(arr, 2);
return 0;
}