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  1. t=['']
  2. l=[0]
  3. gets.chars{|c|c<?]?t<<''&&(l<<0)[-2]+=1:c<?^?(x=l.pop;t.pop==''&&(puts t*''if x<1;t[-1]='')):t[-1]<<c}
Success #stdin #stdout 0.06s 9664KB
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cat[s[up[][]][]ch[e[r[]s[]]]a[maran[]comb[]pult[[]ing[]]]]
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catsup
cats
cat
catcher
catches
catamaran
catacomb
catapult
catapulting
https://ideone.com/NW0CNB
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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