Tom-san.
Ahhhh...Sorry.
It looked for the optimal result.
> =======================
> All 100 tests passed.
> =======================
>
>
> However, A result tells a lie. So, pursuit continues tracking.
>
> $ diff -w "./expected/char.out" "./results/char.out"
> 66d65
diff -w "./expected/char_1.out" "./results/char.out"
Then, It seems that it is now in good order.
Sorry, I was distracted for a while............
Thanks.
Regards,
Hiroshi Saito