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Problem: Longest Common Prefix

Explore how to identify the longest common prefix shared by all strings in an array using horizontal scanning. Learn a step-by-step approach that trims prefixes and compares string segments efficiently. This lesson helps you understand the implementation, time complexity, and space complexity of this common string manipulation problem.

Statement

Given an array of strings strs, find the longest common prefix shared among all the strings in the array.

If no common prefix exists, return an empty string "".

Constraints:

  • 11 \leq strs.length 200\leq 200

  • 00 \leq strs[i].length 200\leq 200 ...