Eban numbers: Difference between revisions
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</pre>
=={{header|Scala}}==
{{trans|Java}}
<lang scala>object EbanNumbers {
class ERange(s: Int, e: Int, p: Boolean) {
val start: Int = s
val end: Int = e
val print: Boolean = p
}
def main(args: Array[String]): Unit = {
val rgs = List(
new ERange(2, 1000, true),
new ERange(1000, 4000, true),
new ERange(2, 10000, false),
new ERange(2, 100000, false),
new ERange(2, 1000000, false),
new ERange(2, 10000000, false),
new ERange(2, 100000000, false),
new ERange(2, 1000000000, false)
)
for (rg <- rgs) {
if (rg.start == 2) {
println(s"eban numbers up to an including ${rg.end}")
} else {
println(s"eban numbers between ${rg.start} and ${rg.end}")
}
var count = 0
for (i <- rg.start to rg.end) {
val b = i / 1000000000
var r = i % 1000000000
var m = r / 1000000
r = i % 1000000
var t = r / 1000
r %= 1000
if (m >= 30 && m <= 66) {
m %= 10
}
if (t >= 30 && t <= 66) {
t %= 10
}
if (r >= 30 && r <= 66) {
r %= 10
}
if (b == 0 || b == 2 || b == 4 || b == 6) {
if (m == 0 || m == 2 || m == 4 || m == 6) {
if (t == 0 || t == 2 || t == 4 || t == 6) {
if (r == 0 || r == 2 || r == 4 || r == 6) {
if (rg.print) {
print(s"$i ")
}
count += 1
}
}
}
}
}
if (rg.print) {
println()
}
println(s"count = $count")
println()
}
}
}</lang>
{{out}}
<pre>eban numbers up to an including 1000
2 4 6 30 32 34 36 40 42 44 46 50 52 54 56 60 62 64 66
count = 19
eban numbers between 1000 and 4000
2000 2002 2004 2006 2030 2032 2034 2036 2040 2042 2044 2046 2050 2052 2054 2056 2060 2062 2064 2066 4000
count = 21
eban numbers up to an including 10000
count = 79
eban numbers up to an including 100000
count = 399
eban numbers up to an including 1000000
count = 399
eban numbers up to an including 10000000
count = 1599
eban numbers up to an including 100000000
count = 7999
eban numbers up to an including 1000000000
count = 7999</pre>
=={{header|Tailspin}}==
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