Leetcode Problem 1839. Longest Substring Of All Vowels in Order

1839. Longest Substring Of All Vowels in Order

Leetcode Solutions

Sliding Window Approach

  1. Initialize max_len to 0 to store the maximum length of a beautiful substring.
  2. Initialize len to 1 to store the current length of the non-decreasing substring.
  3. Initialize count to 1 to store the count of unique vowels encountered.
  4. Iterate through the string starting from the second character.
  5. If the current character is the same as or greater than the previous character, increment len.
  6. If the current character is different from the previous one, increment count.
  7. If count equals 5, update max_len with the maximum of max_len and len.
  8. If the current character is less than the previous one, reset len and count to 1.
  9. Continue iterating until the end of the string.
  10. Return max_len.
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Brute Force Approach

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