Submission #244459

---

Source Code Expand

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

include Math
require 'prime'
require 'bigdecimal'
require 'bigdecimal/math'
require 'matrix'
require 'pp'
require 'benchmark'

Inf = 1.0 / 0.0
def pbin(obj);case obj;when Integer;puts obj.to_s(2);end;end
class String;def to_a;split("");end;
             def to_ia(d = " ");split(d).map(&:to_i);end;end
def getia(*arg);gets.to_ia(*arg);end
def geti;gets.to_i;end
class Object;def dcopy;Marshal.load(Marshal.dump(self));end;end

s = gets
puts s.scan(/@[a-z]+/).sort.map{|t|t[1..-1]}.uniq * "\n"

Submission Info

Judge Result