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MERGE TIMES
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require 'date' | |
# task input | |
input = [['10:00', '10:20'], | |
['10:40', '11:00'], | |
['10:50', '12:00'], | |
['12:00', '13:00'], | |
['10:00', '10:20']] | |
class TimeConverter | |
class << self | |
def call(time) | |
DateTime.parse("3rd Feb 2001 #{time}:06").to_time.to_i | |
end | |
def unpack(timestamp) | |
time = DateTime.strptime(timestamp.to_s,'%s') | |
"#{time.hour}:#{time.minute}" | |
end | |
end | |
end | |
class Solution | |
attr_reader :input_array, | |
:first_element, | |
:array_length | |
def initialize(input) | |
@input_array = input.map { |ar| ar.map { |time| TimeConverter.call(time) } }.sort | |
@array_length = input_array.size | |
@first_element = input_array[0] | |
end | |
def call | |
base = first_element.dup | |
res = [] | |
input_array[1..].each.with_index do |interval, idx| | |
min, max = base[0], base[1] | |
min_cur, max_cur = interval[0], interval[1] | |
if max >= min_cur && max_cur > max || max_cur == max | |
base = [min, max_cur] | |
elsif max >= min_cur && max_cur < max | |
elsif min_cur > max | |
res << base | |
base = [min_cur, max_cur] | |
else | |
res << interval | |
end | |
if idx == (array_length - 2) | |
res << base | |
end | |
end | |
res.map { |n| n.map { |n_a| TimeConverter.unpack(n_a) } } | |
end | |
end | |
p Solution.new(input).call |
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test_case2 = [
[95, 123],
[100, 110],
[200, 300],
[300, 700]
]
test_case1 = [
[100, 200],
[400, 500],
[400, 700],
[800, 900],
[900, 1200],
[1500, 1800]
]
test_case3 = [
[1000, 1020],
[1040, 1100],
[1050, 1200],
[1200, 1300],
[1000, 1020]
]
test_case = [
[100, 200],
[150, 170],
[200, 250],
[220, 290],
[1000, 1020]
]