Magic squares of doubly even order: Difference between revisions
Content deleted Content added
m →{{header|Phix}}: pp_StrFmt tweaks |
Added Wren |
||
Line 2,492:
Magic constant: 260</pre>
=={{header|Wren}}==
{{trans|Kotlin}}
{{libheader|Wren-fmt}}
<lang ecmascript>import "/fmt" for Conv, Fmt
var magicSquareDoublyEven = Fn.new { |n|
if (n < 4 || n%4 != 0) Fiber.abort("Base must be a positive multiple of 4")
// pattern of count-up vs count-down zones
var bits = Conv.atoi("1001011001101001", 2)
var size = n * n
var mult = (n/4).floor // how many multiples of 4
var result = List.filled(n, null)
for (i in 0...n) result[i] = List.filled(n, 0)
var i = 0
for (r in 0...n) {
for (c in 0...n) {
var bitPos = (c/mult).floor + (r/mult).floor * 4
result[r][c] = ((bits & (1<<bitPos)) != 0) ? i + 1 : size - i
i = i + 1
}
}
return result
}
var n = 8
for (ia in magicSquareDoublyEven.call(n)) {
for (i in ia) Fmt.write("$2d ", i)
System.print()
}
System.print("\nMagic constant %((n * n + 1) * n / 2)")</lang>
{{out}}
<pre>
1 2 62 61 60 59 7 8
9 10 54 53 52 51 15 16
48 47 19 20 21 22 42 41
40 39 27 28 29 30 34 33
32 31 35 36 37 38 26 25
24 23 43 44 45 46 18 17
49 50 14 13 12 11 55 56
57 58 6 5 4 3 63 64
Magic constant 260
</pre>
=={{header|zkl}}==
| |||