20 lines
364 B
Text
20 lines
364 B
Text
def isHappyNumber(var x :int) {
|
|
var seen := [].asSet()
|
|
while (!seen.contains(x)) {
|
|
seen with= x
|
|
var sum := 0
|
|
while (x > 0) {
|
|
sum += (x % 10) ** 2
|
|
x //= 10
|
|
}
|
|
x := sum
|
|
if (x == 1) { return true }
|
|
}
|
|
return false
|
|
}
|
|
|
|
var count := 0
|
|
for x ? (isHappyNumber(x)) in (int >= 1) {
|
|
println(x)
|
|
if ((count += 1) >= 8) { break }
|
|
}
|