Pancake numbers: Difference between revisions
Add Scala implementation
m (→{{header|Wren}}: Minor tidy) |
(Add Scala implementation) |
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Line 1,776:
p(11) = 13 p(12) = 14 p(13) = 15 p(14) = 16 p(15) = 17
p(16) = 18 p(17) = 19 p(18) = 20 p(19) = 21 p(20) = 23</pre>
=={{header|Scala}}==
{{trans|C}}
<syntaxhighlight lang="Scala">
object Pancake {
def pancake(n: Int): Int = {
var gap = 2
var sum = 2
var adj = -1
while (sum < n) {
adj += 1
gap = 2 * gap - 1
sum += gap
}
n + adj
}
def main(args: Array[String]): Unit = {
for (i <- 0 until 4) {
for (j <- 1 until 6) {
val n = 5 * i + j
print(f"p($n%2d) = ${pancake(n)}%2d ")
}
println()
}
}
}
</syntaxhighlight>
{{out}}
<pre>
p( 1) = 0 p( 2) = 1 p( 3) = 3 p( 4) = 4 p( 5) = 5
p( 6) = 7 p( 7) = 8 p( 8) = 9 p( 9) = 10 p(10) = 11
p(11) = 13 p(12) = 14 p(13) = 15 p(14) = 16 p(15) = 17
p(16) = 18 p(17) = 19 p(18) = 20 p(19) = 21 p(20) = 23
</pre>
=={{header|Wren}}==
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