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Leetcode 14. Longest Common Prefix

Return the longest prefix string common to all strings in the array, or an empty string if none exists. The task reduces to comparing characters across all strings position-by-position up to the shortest string and stopping at the first mismatch.

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Late April, 2025

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Mid-level

Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "".

Early January, 2025

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