NeetCode #505LC-1980MediumBacktracking
← Back to All Problems#505 · #1980 · Find Unique Binary String(找到不同的二进制字符串)
📌 Problem Statement & Constraints
Given an array of
n unique binary strings each of length n, return a binary string of length n that does not appear in the array. Constraints: 1 <= n <= 16, all strings have length n and are unique.🔒
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