Problem Statement Pattern: Solution https://leetcode.com/problems/find-unique-binary-string/discuss/1418687/Detailed-Explanation-O(N)-Java-C++-Python-short-concise-code-Cantor’s-Diagonalization https://leetcode.com/problems/find-unique-binary-string/discuss/1418713/No-Recursion-or-Think-in-other-way-or-Python Notes