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Dive deep into LeetCode 1625: Lexicographically Smallest String After Applying Operations! This medium-level problem might seem complex, but we'll break it down step-by-step. Learn how to reframe this problem as a classic graph traversal or state-space search. We'll explore the optimal solution using a Breadth-First Search (BFS) algorithm, leveraging a queue to manage states and a visited set to ensure efficiency and prevent infinite loops.
In this video, we'll cover:
- A clear explanation of the problem and the two operations (add and rotate).
- The core concept of state-space search and why BFS is the perfect fit.
- A detailed walkthrough of the Python implementation.
- Full code solutions in Java and C++ for a multi-language perspective.
- A quick analysis of the time and space complexity.
Perfect for coding interview preparation and improving problem-solving skills.
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Solution Link:
https://leetcode.com/problems/lexicographically-smallest-string-after-applying-operations/editorial/
#leetcode #python #algorithms #codinginterview #dailycoding
