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Leetcode Problem 217. Contains Duplicate

217. Contains Duplicate

Leetcode Solutions

Approach # (Hash Table)

  1. Initialize an empty hash set.
  2. Iterate through each element in the array.
  3. For each element, check if it is already present in the hash set.
    • If it is, return true as a duplicate is found.
    • If not, add the element to the hash set.
  4. If no duplicates are found after checking all elements, return false.
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Approach # (Sorting)

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