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author | Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com> | 2020-12-25 15:14:20 +0100 |
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committer | Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com> | 2020-12-25 15:14:20 +0100 |
commit | 8216a91439c30ba2c6f57a49be2daef7ec6e596c (patch) | |
tree | a05cb67d42211aacbcf2b9fada606d8213c233ed /04/a.rb | |
parent | d4792ef0e009a6c6f58d01e8387ac3cceb8c9687 (diff) |
Add day 4
Diffstat (limited to '04/a.rb')
-rw-r--r-- | 04/a.rb | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -0,0 +1,20 @@ +file = File.read('input.txt') +records = file.split "\n\n" + +fields = [ 'byr', 'iyr', 'eyr', 'hgt', 'hcl', 'ecl', 'pid' ] + +count = 0 +records.each do |record| + fields_seen = 0 + entries = record.split + entries.each do |entry| + f, _ = entry.split ':' + if fields.include?(f) + fields_seen += 1 + end + end + if fields_seen == 7 + count += 1 + end +end +puts count |