Lexicographically Smallest Permutation Greater Than Target | LEETCODE 3720 | Solve In Seconds |
This video solves LeetCode 3720 - Lexicographically Smallest Permutation Greater Than Target using a greedy frequency-count method in O(26 * n) time. It shows why brute force fails, walks three worked examples, and explains the largest-remainder check that makes the construction correct for Amazon and Google interviews.
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Lexicographically Smallest Permutation Greater Than Target is a Medium LeetCode 3720 greedy problem asked at Amazon and Google - the cleanest O(26 * n) explanation with a visual walkthrough.
LeetCode Question: https://leetcode.com/problems/lexicographically-smallest-permutation-greater-than-target/description
Solution (Java / Python / C++ / C): https://github.com/Shaanworkspace/YOUTUBE-DRIVE/blob/main/Leetcode_Daily/LC_3720_Lexicographically_Smallest_Permutation_Greater_Than_Target_All_Languages.md
📺 Watch the full walkthrough on YouTube:
https://www.youtube.com/watch?v=7M5d80mRqG8
🔔 Love FAANG-style LeetCode walkthroughs? Don't solve alone — join 2,000+ coders getting daily breakdowns (Telegram is fastest):
- 📢 Telegram: https://t.me/opentech_shaanlabs
- 💬 WhatsApp: https://chat.whatsapp.com/CvlyO3ZBBoTBiPLDXpEJME?mode=gi_t
