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| -rw-r--r-- | challenge-111/abigail/README.md | 1 | ||||
| -rw-r--r-- | challenge-111/abigail/ruby/ch-1.rb | 32 |
2 files changed, 33 insertions, 0 deletions
diff --git a/challenge-111/abigail/README.md b/challenge-111/abigail/README.md index 45e924351b..b9e45903c7 100644 --- a/challenge-111/abigail/README.md +++ b/challenge-111/abigail/README.md @@ -38,6 +38,7 @@ languages, the fact input is sorted does not offer additional benefits. * [Node.js](node/ch-1.js) * [Perl](perl/ch-1.pl) * [Python](python/ch-1.py) +* [Ruby](ruby/ch-1.rb) ### Blog diff --git a/challenge-111/abigail/ruby/ch-1.rb b/challenge-111/abigail/ruby/ch-1.rb new file mode 100644 index 0000000000..ed9d9d9085 --- /dev/null +++ b/challenge-111/abigail/ruby/ch-1.rb @@ -0,0 +1,32 @@ +#!/usr/bin/ruby + +# +# See ../README.md +# + +# +# Run as: ruby ch-1.rb < input-file +# + +matrix_size = 5 + +# +# Read in the matrix +# +matrix = {} +(1 .. matrix_size) . each do + ARGF . readline . scan(/-?[0-9]+/) do + |number| + matrix [number] = 1 + end +end + + +# +# Read in the rest of the numbers, and print 1/0 whether or +# not they're present in the matrix. +# +ARGF . each_line do + |number| + puts (matrix [number . strip] ? 1 : 0) +end |