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42 lines (26 loc) · 694 Bytes
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Solution.rb
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42 lines (26 loc) · 694 Bytes
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# @param {Integer[]} nums
# @return {Integer}
def rob(nums)
if nums.nil? or nums.size < 1
return 0
end
if nums.size == 1
return nums[0]
end
if nums.size == 2
return nums[0] > nums[1] ? nums[0] : nums[1]
end
array_size = nums.size
max_array = Array.new array_size
max_array[0] = nums[0]
max_array[1] = nums[0] > nums[1] ? nums[0] : nums[1]
index = 2
until index >= array_size
max_array[index] = max_array[index - 2] + nums[index] > max_array[index - 1] ? max_array[index - 2] + nums[index] : max_array[index - 1]
index += 1
end
# print "#{max_array}\n"
max_array[array_size - 1]
end
puts rob [3, 1, 1, 3, 1, 2]
puts rob [2, 3, 2]