O'Halloran numbers: Difference between revisions
Add Kotlin implementation
(fix typo "=={{header|R}==" -> "=={{header|R}}==") |
(Add Kotlin implementation) |
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[2, 4, 8, 12, 20, 36, 44, 60, 84, 116, 140, 156, 204, 260, 380, 420, 660, 924]
</pre>
=={{header|Kotlin}}==
{{trans|Scala}}
<syntaxhighlight lang="Kotlin">
object OHalloranNumbers {
@JvmStatic
fun main(args: Array<String>) {
val maximumArea = 1_000
val halfMaximumArea = maximumArea / 2
var ohalloranNumbers = BooleanArray(halfMaximumArea) { true }
for (length in 1 until maximumArea) {
for (width in 1 until halfMaximumArea) {
for (height in 1 until halfMaximumArea) {
val halfArea = length * width + length * height + width * height
if (halfArea < halfMaximumArea) {
ohalloranNumbers[halfArea] = false
}
}
}
}
println("Values larger than 6 and less than 1,000 which cannot be the surface area of a cuboid:")
for (i in 3 until halfMaximumArea) {
if (ohalloranNumbers[i]) {
print("${i * 2} ")
}
}
println()
}
}
fun main() {
OHalloranNumbers.main(arrayOf())
}
</syntaxhighlight>
{{out}}
<pre>
Values larger than 6 and less than 1,000 which cannot be the surface area of a cuboid:
8 12 20 36 44 60 84 116 140 156 204 260 380 420 660 924
</pre>
=={{header|Lua}}==
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