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D5

Two Pointers

15 stations · 5.2h

Opposite-end and fast/slow pointer patterns. 15 interview problems explained by codestorywithMIK (5.2h of video), grouped into 4 patterns such as Opposite Ends, Same Direction / Partition, Merge Two Sequences.

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problems by zone (pattern)
  • Opposite Ends9
  • Same Direction / Partition3
  • Merge Two Sequences1
  • Sort + Two Pointers3

  1. Opposite Ends

    0 of 9 passed
  2. Reverse Vowels of a String (Google, Zoho, Flipkart) : Explanation ➕ Live Coding 🧑🏻‍💻👩🏻‍💻LC 345 · 9:23
    EasyGoogle · Amazon · +11 more companiesLeetCode ↗ (opens in a new tab)
  3. Reverse Words in a String (Amazon, Microsoft, MentorGraphics, MakeMyTrip) : Explanation➕Live CodingLC 151 · 22:53
    MediumGoogle · Amazon · +24 more companiesLeetCode ↗ (opens in a new tab)
  4. Minimum Length of String After Deleting Similar EndsLC 1750 · 16:09
    MediumAmazon · Meta · +1 more companiesLeetCode ↗ (opens in a new tab)
  5. Maximum Width RampLC 962 · 25:53
    MediumGoogle · Amazon · +7 more companiesLeetCode ↗ (opens in a new tab)
  6. Push DominoesLC 838 · 40:06
    MediumGoogle · Amazon · +4 more companiesLeetCode ↗ (opens in a new tab)
  7. Find the Lexicographically Largest String From the Box ILC 3403 · 22:12
    MediumGoogle · Amazon · +3 more companiesLeetCode ↗ (opens in a new tab)
  8. Longest Balanced Substring ILC 3713 · 13:38
    MediumGoogle · Amazon · +2 more companiesLeetCode ↗ (opens in a new tab)
  9. Longest Balanced Subarray ILC 3719 · 12:31
    MediumGoogle · Amazon · +2 more companiesLeetCode ↗ (opens in a new tab)
  10. Maximum Distance Between a Pair of ValuesLC 1855 · 13:46
    MediumGoogle · MicrosoftLeetCode ↗ (opens in a new tab)

  11. Same Direction / Partition

    0 of 3 passed
  12. Remove Duplicates from Sorted Array (Google, Amazon, Microsoft…) : Explanation ➕ Live CodingLC 26 · 9:10
    EasyGoogle · Amazon · +21 more companiesLeetCode ↗ (opens in a new tab)
  13. Count the Number of Good PartitionsLC 2963 · 27:21
    HardGoogleLeetCode ↗ (opens in a new tab)
  14. Partition LabelsLC 763 · 27:10
    MediumGoogle · Amazon · +7 more companiesLeetCode ↗ (opens in a new tab)

  15. Merge Two Sequences

    0 of 1 passed
  16. Number of Subsequences That Satisfy the Given Sum ConditionLC 1498 · 34:54
    MediumGoogle · Amazon · +4 more companiesLeetCode ↗ (opens in a new tab)

  17. Sort + Two Pointers

    0 of 3 passed
  18. Remove Duplicates from Sorted Array (Google, Amazon, Microsoft…) : Explanation ➕ Live CodingLC 26 · 9:10
    EasyGoogle · Amazon · +21 more companiesLeetCode ↗ (opens in a new tab)
  19. Minimize Maximum Pair Sum in ArrayLC 1877 · 11:28
    MediumGoogle · Amazon · +4 more companiesLeetCode ↗ (opens in a new tab)
  20. Minimum Removals to Balance ArrayLC 3634 · 23:31
    MediumGoogle · Amazon · +2 more companiesLeetCode ↗ (opens in a new tab)

All 15 stations in order

  1. 1.Reverse Vowels of a String (Google, Zoho, Flipkart) : Explanation ➕ Live Coding 🧑🏻‍💻👩🏻‍💻 (LeetCode 345)
  2. 2.Remove Duplicates from Sorted Array (Google, Amazon, Microsoft…) : Explanation ➕ Live Coding (LeetCode 26)
  3. 3.Reverse Words in a String (Amazon, Microsoft, MentorGraphics, MakeMyTrip) : Explanation➕Live Coding (LeetCode 151)
  4. 4.Number of Subsequences That Satisfy the Given Sum Condition (LeetCode 1498)
  5. 5.Minimize Maximum Pair Sum in Array (LeetCode 1877)
  6. 6.Count the Number of Good Partitions (LeetCode 2963)
  7. 7.Minimum Length of String After Deleting Similar Ends (LeetCode 1750)
  8. 8.Maximum Width Ramp (LeetCode 962)
  9. 9.Partition Labels (LeetCode 763)
  10. 10.Push Dominoes (LeetCode 838)
  11. 11.Find the Lexicographically Largest String From the Box I (LeetCode 3403)
  12. 12.Minimum Removals to Balance Array (LeetCode 3634)
  13. 13.Longest Balanced Substring I (LeetCode 3713)
  14. 14.Longest Balanced Subarray I (LeetCode 3719)
  15. 15.Maximum Distance Between a Pair of Values (LeetCode 1855)