From 6c7336937b4ccb0c72b54035d4f1ee16761f040d Mon Sep 17 00:00:00 2001 From: June McEnroe Date: Fri, 18 Dec 2020 00:53:14 -0500 Subject: Solve day 18 part 2 Is it cheating to implement the FORTRAN I approach[1] as preprocessing? Maybe. [1]: https://en.wikipedia.org/wiki/Operator-precedence_parser#Alternative_methods --- 2020/day18-2.sh | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 2020/day18-2.sh diff --git a/2020/day18-2.sh b/2020/day18-2.sh new file mode 100644 index 0000000..1f49446 --- /dev/null +++ b/2020/day18-2.sh @@ -0,0 +1,9 @@ +#!/bin/sh +sed ' +s/(/&((/g +s/)/))&/g +s/*/))*((/g +s/+/)+(/g +s/^/((/ +s/$/))/ +' | ./day18 -- cgit 1.4.1 d36f6'>this commit dontfiles
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2021-01-31Add The Rosewater RedemptionJune McEnroe
2021-01-29Use int when checking for EOFJune McEnroe
2021-01-28Move gpl.c and agpl.c templates out of etcJune McEnroe
2021-01-27Set para and sect for mdocJune McEnroe
2021-01-26Use First state to match keyword at beginning of lineJune McEnroe
2021-01-25Install vi on Linux and nvi on macOSJune McEnroe
2021-01-25Use vi and lessJune McEnroe
2021-01-20Use mtags for sh in source-filterJune McEnroe
2021-01-20Generate tags for sh files in mtagsJune McEnroe
2021-01-20Add messy sh lexerJune McEnroe
2021-01-20Add all target to git.causal.agency MakefileJune McEnroe
2021-01-20Remove Lua supportJune McEnroe
2021-01-20Fix tests for diff spansJune McEnroe
2021-01-20Avoid matching ':' in make tagsJune McEnroe
2021-01-19Prefer tag matches not preceded by [[:alnum:]]June McEnroe
2021-01-19Escape \ and / in mtags search patternsJune McEnroe
2021-01-20Use mtags in source-filterJune McEnroe
2021-01-19Add mtags to generate tags for make and mdocJune McEnroe
2021-01-19Map tags to IDs using only [[:alnum:]-._]June McEnroe
2021-01-19Don't use a pager if reading standard inputJune McEnroe
2021-01-19Support BSD make syntax and match *.amJune McEnroe
2021-01-19Match tab following escaped newline in make assignmentsJune McEnroe
2021-01-18Allow matching lexers using first input lineJune McEnroe