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#1980 - Find Unique Binary String

Medium • View on LeetCode • View on GitHub

Problem Description

Given an array of strings nums containing n unique binary strings each of length n, return a binary string of length n that does not appear in nums. If there are multiple answers, you may return any of them.

Solution

/**
 * @param {string[]} nums
 * @return {string}
 */
var findDifferentBinaryString = function(nums) {
  return nums.map((n, i) => n[i] === '0' ? '1' : '0').join('');
};

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