You are given two arrays of equal length, nums1 and nums2.
Each element in nums1 has been increased (or decreased in the case of negative) by an integer, represented by the variable x.
As a result, nums1 becomes equal to nums2. Two arrays are considered equal when they contain the same integers with the same frequencies.
Return the integer x.
\n
Example 1:
\n\nInput: nums1 = [2,6,4], nums2 = [9,7,5]
\n\nOutput: 3
\n\nExplanation:
\n\nThe integer added to each element of nums1 is 3.
Example 2:
\n\nInput: nums1 = [10], nums2 = [5]
\n\nOutput: -5
\n\nExplanation:
\n\nThe integer added to each element of nums1 is -5.
Example 3:
\n\nInput: nums1 = [1,1,1,1], nums2 = [1,1,1,1]
\n\nOutput: 0
\n\nExplanation:
\n\nThe integer added to each element of nums1 is 0.
\n
Constraints:
\n\n1 <= nums1.length == nums2.length <= 1000 <= nums1[i], nums2[i] <= 1000x such that nums1 can become equal to nums2 by adding x to each element of nums1.给你两个长度相等的数组 nums1 和 nums2。
数组 nums1 中的每个元素都与变量 x 所表示的整数相加。如果 x 为负数，则表现为元素值的减少。
在与 x 相加后，nums1 和 nums2 相等 。当两个数组中包含相同的整数，并且这些整数出现的频次相同时，两个数组 相等 。
返回整数 x 。
\n\n
示例 1:
\n\n输入：nums1 = [2,6,4], nums2 = [9,7,5]
\n\n输出：3
\n\n解释：
\n\n与 3 相加后，nums1 和 nums2 相等。
示例 2:
\n\n输入：nums1 = [10], nums2 = [5]
\n\n输出：-5
\n\n解释：
\n\n与 -5 相加后，nums1 和 nums2 相等。
示例 3:
\n\n输入：nums1 = [1,1,1,1], nums2 = [1,1,1,1]
\n\n输出：0
\n\n解释：
\n\n与 0 相加后，nums1 和 nums2 相等。
\n\n
提示：
\n\n1 <= nums1.length == nums2.length <= 1000 <= nums1[i], nums2[i] <= 1000x，使得 nums1 中的每个元素都与 x 相加后，nums1 与 nums2 相等。x = min(nums2) - min(nums1)."
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