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yancya/answer.sh

Last active December 21, 2015 16:09
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シェル芸の課題、やっとできた Ruby でだけど... 課題: https://twitter.com/usptomo/status/371095051826245632
Raw
answer.sh
echo 56 2 8 9 | ruby -e 'nums = ARGF.read; loop{exp = nums.split(" ").shuffle.inject(""){|exp, num| [num, exp].join(%w{+ - * /}.sample)}.gsub(/.$/, ""); if eval(exp) == 100; puts exp; break; end}'
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