Leetcode Problem 1876. Substrings of Size Three with Distinct Characters

1876. Substrings of Size Three with Distinct Characters

Leetcode Solutions

Sliding Window Approach

  1. Initialize a counter count to 0.
  2. Loop through the string s with an index i starting from 0 to len(s) - 3.
  3. For each index i, check if the characters at s[i], s[i+1], and s[i+2] are all distinct.
  4. If they are distinct, increment the count by 1.
  5. Continue the loop until all substrings of length 3 are checked.
  6. Return the count.
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Brute Force Approach

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