Contents

return function(n)
  assert(n > 0, 'Only positive numbers are allowed')

  local steps = 0

  while n > 1 do
    if n % 2 == 0 then
      n = n / 2
    else
      n = 3 * n + 1
    end
    steps = steps + 1
  end

  return steps
end

Version data entries

124 entries across 124 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.179	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.178	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.177	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.176	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.175	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.174	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.173	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.172	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.171	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.170	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.169	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.167	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.166	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.165	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.164	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.163	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.162	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.161	tracks/lua/exercises/collatz-conjecture/example.lua
trackler-2.2.1.160	tracks/lua/exercises/collatz-conjecture/example.lua