RosettaCodeData/Task/Executable-library/Wren/executable-library-2.wren

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/* Executable_library_2.wren */
import "./Executable_library" for Hailstone
var freq = {}
for (i in 1...100000) {
var len = Hailstone.call(i).count
var f = freq[len]
freq[len] = f ? f + 1 : 1
}
var mk = 0
var mv = 0
for (k in freq.keys) {
var v = freq[k]
if (v > mv) {
mk = k
mv = v
}
}
System.print("The Hailstone length returned most is %(mk), which occurs %(mv) times.")