#5
Longest Palindromic Substring
expert · 1040 · lc medium +32 · verified · 37.4% accepted · 32,434 likes · top 16%
Description
Find and return the longest substring of s that reads the same forwards and backwards.
Example 1:
Input: s = "babad"
Output: "bab"
Explanation: "aba" is also a valid answer.
Example 2:
Input: s = "cbbd"
Output: "bb"
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