#2605

Form Smallest Number From Two Digit Arrays

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Description

Given two arrays of unique digits nums1 and nums2, return the smallest number that contains at least one digit from each array.

Example 1:

Input: nums1 = [4,1,3], nums2 = [5,7]

Output: 15

Explanation: The number 15 contains the digit 1 from nums1 and the digit 5 from nums2. It can be proven that 15 is the smallest number we can have.

Example 2:

Input: nums1 = [3,5,2,6], nums2 = [3,1,7]

Output: 3

Explanation: The number 3 contains the digit 3 which exists in both arrays.

Solution