g0201_0300.s0287_find_the_duplicate_number.Solution.ex Maven / Gradle / Ivy

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104 LeetCode algorithm problem solutions

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# #Medium #Top_100_Liked_Questions #Array #Binary_Search #Two_Pointers #Bit_Manipulation
# #Binary_Search_II_Day_5 #Big_O_Time_O(n)_Space_O(n)
# #2024_08_04_Time_1322_ms_(100.00%)_Space_165_MB_(100.00%)

defmodule Solution do
  @spec find_duplicate(nums :: [integer]) :: integer
  def find_duplicate(nums) do
    (nums -- Enum.uniq(nums)) |> hd
  end
end