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  1. def t9(t)
  2. (t.tr(" ",?`).bytes.map{|c|"09998887777666555444333222"[96-c..-1][/(.)\1*/]}*' ').gsub /(\d) (?!\1)/,'\1'
  3. end
  4.  
  5. p t9("hello world")
  6. p t9("hi")
Success #stdin #stdout 0.01s 7420KB
comments ()
stdin
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Standard input is empty
stdout
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"4433555 555666096667775553"
"44 444"
https://ideone.com/L5FgUm
language:
Ruby (ruby 2.5.5)
created:
11 years ago
visibility:
secret

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