1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
<?php
/*********************************************************
* This program displays a PHPer token. *
* Guess 'N'. *
* *
* Hints: *
* - N itself has no special meaning, e.g., 42, 8128, *
* it is selected at random. *
* - Each element of $token represents a single letter. *
* - One letter consists of 5x5 cells. *
* - Remember, the output is a complete PHPer token. *
* *
* License: *
* https://creativecommons.org/publicdomain/zero/1.0/ *
*********************************************************/
const N = 0 /* Change it to your answer. */;
assert(0 <= N && N <= 0b11111_11111_11111_11111_11111);
$token = [
0x14B499C,
0x0BE34CC, 0x01C9C69,
0x0ECA069, 0x01C2449, 0x0FDB166, 0x01C9C69,
0x01C1C66, 0x0FC1C47, 0x01C1C66,
0x10C5858, 0x1E4E3B8, 0x1A2F2F8,
];
foreach ($token as $x) {
$x = $x ^ N;
$x = sprintf('%025b', $x);
$x = str_replace(search: ['0', '1'], replace: [' ', '#'], subject: $x);
$x = implode("\n", str_split($x, length: 5));
echo "{$x}\n\n";
}
|
