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dividedmind/v1339.rb

Created October 15, 2013 09:59
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v1339.rb
#!/usr/bin/env ruby
# solution of http://uva.onlinejudge.org/external/13/1339.pdf
ARGF.map {|x| x.strip.chars.group_by(&:to_s).values.map(&:length).sort }.
each_slice(2) {|a, b| puts a == b ? 'YES' : 'NO' }
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