Maximum Length of a Concatenated String with Unique Characters: coding question

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Given an array of lowercase strings, choose a subsequence (order preserved) whose concatenation contains only unique characters and return the maximum possible length of that concatenation. With arr.length ≤ 16, the problem reduces to exploring subsequences while skipping strings that introduce duplicate characters.

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Leetcode 1239. Maximum Length of a Concatenated String with Unique Characters
Reported Feb 18, 2026 · 1 source report
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Maximum Length of a Concatenated String with Unique Characters

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Maximum Length of a Concatenated String with Unique Characters

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