examples/rosettacode/perfect_numbers.nit

   1 #!/usr/bin/env nit
   2 #
   3 # This file is part of NIT ( http://www.nitlanguage.org ).
   4 # This program is public domain
   5
   6 # Task: Perfect numbers
   7 # SEE: <http://rosettacode.org/wiki/Perfect_Numbers>
   8
   9 module perfect_numbers
  10
  11
  12 fun isPerfect(x: Int): Bool
  13 do
  14         var sum: Int = 0
  15         for i in [1..(x-1)] do
  16                 if x%i == 0 then sum = sum+i
  17         end
  18         return sum == x
  19 end
  20
  21 var n = gets.to_i
  22 print isPerfect(n)