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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Recamans-sequence/Wren/recamans-sequence.wren Normal file
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var a = [0]
var used = { 0: true }
var used1000 = { 0: true }
var foundDup = false
var n = 1
while (n <= 15 || !foundDup || used1000.count < 1001) {
var next = a[n-1] - n
if (next < 1 || used[next]) next = next + 2*n
var alreadyUsed = used[next]
a.add(next)
if (!alreadyUsed) {
used[next] = true
if (next >= 0 && next <= 1000) used1000[next] = true
}
if (n == 14) System.print("The first 15 terms of the Recaman's sequence are:\n%(a)")
if (!foundDup && alreadyUsed) {
System.print("The first duplicated term is a[%(n)] = %(next)")
foundDup = true
}
if (used1000.count == 1001) {
System.print("Terms up to a[%(n)] are needed to generate 0 to 1000")
}
n = n + 1
}