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問題 85 に別解を 2 つ追加しました #34

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Nov 9, 2021
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問題 85 に別解を 2 つ追加しました #34

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9 changes: 9 additions & 0 deletions answer/85.md
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Original file line number Diff line number Diff line change
Expand Up @@ -7,3 +7,12 @@ $ echo 🍑 🍓 | xargs -n1 | perl -nlE 'say unpack("H*",$_)' | xargs | awk '{p
別解1（上田）$ echo 🍑 🍓 | xxd -i | mawk -F, '{for(i=1;i<=4;i++){printf("%x", ($i + $(i+5))/2)}}' | xxd -p -r
別解2（田代）$ echo 🍑 🍓 | xxd -u -p -l 4 | sed 's/^/obase=16;ibase=16;/;s/$/+1/' | bc | xxd -p -r
```

### 読者別解

by [kariya-mitsuru](https://github.com/kariya-mitsuru)

```
$ echo 🍑 🍓 | perl -MList::Util=sum -nE 's/ //; say pack "L>", sum(unpack "L>*") / 2'
$ echo 🍑 🍓 | ruby -E :UTF-8 -ane 'puts $F.map(&:ord).sum./(2).chr'
```