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zern/examples/puzzles/euler_12.zr

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func num_divisors[n: i64] : i64
let end: i64 = math.isqrt(n)
let out = 0
for i in 1..end+1
if n % i == 0
out = out + 2
if end * end == n
out = out - 1
return out
func main[] : i64
let n = 0
let i = 1
while true
n = n + i
if num_divisors(n) > 500
io.println_i64(n)
break
i = i + 1