062 Cubic permutations.sf

#!/usr/bin/ruby

# Author: Trizen
# Date: 18 March 2023
# https://github.com/trizen

# https://projecteuler.net/problem=62

# Runtime: 0.392s

var table = Hash()

for n in (1..Inf) {

    var k = ipow(n,3)
    var key = k.to_s.sort
    table{key} := [] << k

    if (table{key}.len == 5) {
        say table{key}.min
        break
    }
}