# プレステの数字

``` .'''''''''.---> _________________________              An ordinary 4-digit decimal
: 3 9 1 8 :--->|                         |             number from the audience,
'.........'--->|        Binarizer        |             3 9 1 8, is placed in a
'--->|_________________________|             not-so-mysterious box.
| | | | | | | | | | | |
.'''''''''''''''''''''''''.             12 equivalent digits emerge in a
: 1 1 1 1 0 1 0 0 1 1 1 0 :             different number system (binary).
'.........................'
| | | | | | | | | | | |               Into another box they go...
_V_V_V_V_V_V_V_V_V_V_V_V_
|                         |----.'''''''.          ...only to reappear
|         Presto!         |----: j k l :             as an equivalent
|_________________________|----'.......'             3-digit number  j k l
/  |                in another
/   |                number system.
/____V____
/|         |           The middle digit  k
(  | Changeo |  )         becomes an equivalent
|_________|/         2-digit number  m n
| |   /          in yet another
| |  /           number system.
.'''''''''.
: j m n l :            The 4 digits  j m n l
'. . . . .'            together form an
| | | |              amount in yet another
____V_V_V_V____          number system.
|               |
|  Abracadabra  |         Now for the topper,
|_______________|         after a magical moment
|                 in one last box, an
V                 equivalent single
.'''.               decimal digit  x
: x :               is presented to a
'...'               mesmerized audience
```

`3``9``1`
`8``j` `l``m`
`n``x` すべてが異なり、0もありません。

Just what do you suppose that mysterious decimal digit
`x` might really be?

Shh, psst…
…it’s not really magic, it’s all done with numbers…
…the original audience number was later spotted in their seat
unharmed…
…if this takes more than a few minutes to get solved, I surely
will believe in magic.

ベストアンサー

プレスト！

output（jkl）= f4e

チェンジ！

”4″は “iv”になります。 output（jmnl）= 5

アブラカダブラ！

テキストを数値に変換
”5″は “5”になります。 output（x）= 5

3、9、1、8、j、k、l、m、nおよびxはすべて異なり、0は0でない。

3,9,1,8、f、4、e、i、v、5