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Mayan numerals: Difference between revisions
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=={{header|Nim}}==
{{trans|Go}}
Free adaptation of the Go version.
<lang Nim>
import algorithm
type Border = enum UL = "╔", UC = "╦", UR = "╗", LL = "╚", LC = "╩", LR = "╝", HB = "═", VB = "║"
const
Mayan = [" ", " ∙ ", " ∙∙ ", "∙∙∙ ", "∙∙∙∙"]
M0 = " Θ "
M5 = "────"
type
Digit = range[0..19]
Numeral = array[4, string]
MayanNumber = seq[Numeral]
func toBase20(n: Natural): seq[Digit] =
## Return "n" expressed as a sequence of base 20 digits.
result.add(n mod 20)
var n = n div 20
while n != 0:
result.add n mod 20
n = n div 20
result.reverse()
func toMayanNumeral(d: Digit): Numeral =
## Return the Numeral representing a base 20 digits.
result = [Mayan[0], Mayan[0], Mayan[0], Mayan[0]]
if d == 0:
result[3] = M0
return
var d = d
for i in countdown(3, 0):
if d >= 5:
result[i] = M5
dec d, 5
else:
result[i] = Mayan[d]
break
proc draw(mayans: MayanNumber) =
## Draw the representation fo a mayan number.
let idx = mayans.high
stdout.write UL
for i in 0..idx:
for j in 0..3: stdout.write HB
if i < idx: stdout.write UC else: echo UR
for i in 1..4:
stdout.write VB
for j in 0..idx: stdout.write mayans[j][i-1], VB
stdout.write '\n'
stdout.write LL
for i in 0..idx:
for j in 0..3: stdout.write HB
if i < idx: stdout.write LC else: echo LR
when isMainModule:
import sequtils, strutils
for n in [4005, 8017, 326205, 886205, 1081439556]:
echo "Converting $1 to Mayan:".format(n)
let digits = n.toBase20()
let mayans = digits.mapIt(it.toMayanNumeral)
mayans.draw()
echo ""</lang>
{{out}}
<pre>Converting 4005 to Mayan:
╔════╦════╦════╗
║ ║ ║ ║
║ ║ ║ ║
║────║ ║ ║
║────║ Θ ║────║
╚════╩════╩════╝
Converting 8017 to Mayan:
╔════╦════╦════╦════╗
║ ║ ║ ║ ∙∙ ║
║ ║ ║ ║────║
║ ║ ║ ║────║
║ ∙ ║ Θ ║ Θ ║────║
╚════╩════╩════╩════╝
Converting 326205 to Mayan:
╔════╦════╦════╦════╦════╗
║ ║ ║ ║ ║ ║
║ ║ ║────║ ║ ║
║ ║ ║────║────║ ║
║ ∙∙ ║ Θ ║────║────║────║
╚════╩════╩════╩════╩════╝
Converting 886205 to Mayan:
╔════╦════╦════╦════╦════╗
║ ║ ║ ║ ║ ║
║ ║ ║────║ ║ ║
║ ║────║────║────║ ║
║────║────║────║────║────║
╚════╩════╩════╩════╩════╝
Converting 1081439556 to Mayan:
╔════╦════╦════╦════╦════╦════╦════╗
║ ∙ ║ ∙∙ ║∙∙∙ ║∙∙∙∙║∙∙∙ ║ ∙∙ ║ ∙ ║
║────║────║────║────║────║────║────║
║────║────║────║────║────║────║────║
║────║────║────║────║────║────║────║
╚════╩════╩════╩════╩════╩════╩════╝
</pre>
=={{header|Perl}}==
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