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1 | 1 | #!/usr/bin/env ruby |
2 | | -arr_1 = File.readlines("data_1.txt") |
3 | | -arr_2 = File.readlines("data_2.txt") |
| 2 | +# frozen_string_literal: true |
4 | 3 |
|
5 | | -NUMBERS = %w[one two three four five six seven eight nine] |
| 4 | +arr1 = File.readlines('data_1.txt') |
| 5 | +arr2 = File.readlines('data_2.txt') |
| 6 | + |
| 7 | +NUMBERS = %w[one two three four five six seven eight nine].freeze |
6 | 8 |
|
7 | 9 | def string_to_number(str) |
8 | | - index = NUMBERS.find_index(str) |
9 | | - index ? index + 1 : str.to_i |
| 10 | + index = NUMBERS.find_index(str) |
| 11 | + index ? index + 1 : str.to_i |
10 | 12 | end |
11 | 13 |
|
12 | | -def first_and_lastarr, regexp = /\d/ |
13 | | - arr.map do |
14 | | - first = _1[/#{regexp}/] |
15 | | - last = _1[/.*(#{regexp}).*/, 1] |
16 | | - string_to_number(first) * 10 + string_to_number(last) |
17 | | - end |
| 14 | +def first_and_last(arr, regexp = /\d/) |
| 15 | + arr.map do |
| 16 | + first = _1[/#{regexp}/] |
| 17 | + last = _1[/.*(#{regexp}).*/, 1] |
| 18 | + string_to_number(first) * 10 + string_to_number(last) |
| 19 | + end |
18 | 20 | end |
19 | 21 |
|
20 | | -puts first_and_last(arr_1).sum |
21 | | -puts first_and_last(arr_2, /\d|#{NUMBERS.join('|')}/).sum |
| 22 | +puts first_and_last(arr1).sum |
| 23 | +puts first_and_last(arr2, /\d|#{NUMBERS.join('|')}/).sum |
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