Given an integer array nums, return the greatest common divisor of the smallest number and largest number in nums.
The greatest common divisor of two numbers is the largest positive integer that evenly divides both numbers.
\n\n\n
Example 1:
\n\n\nInput: nums = [2,5,6,9,10]\nOutput: 2\nExplanation:\nThe smallest number in nums is 2.\nThe largest number in nums is 10.\nThe greatest common divisor of 2 and 10 is 2.\n\n\n
Example 2:
\n\n\nInput: nums = [7,5,6,8,3]\nOutput: 1\nExplanation:\nThe smallest number in nums is 3.\nThe largest number in nums is 8.\nThe greatest common divisor of 3 and 8 is 1.\n\n\n
Example 3:
\n\n\nInput: nums = [3,3]\nOutput: 3\nExplanation:\nThe smallest number in nums is 3.\nThe largest number in nums is 3.\nThe greatest common divisor of 3 and 3 is 3.\n\n\n
\n
Constraints:
\n\n2 <= nums.length <= 10001 <= nums[i] <= 1000给你一个整数数组 nums ，返回数组中最大数和最小数的 最大公约数 。
两个数的 最大公约数 是能够被两个数整除的最大正整数。
\n\n\n\n
示例 1：
\n\n输入：nums = [2,5,6,9,10]\n输出：2\n解释：\nnums 中最小的数是 2\nnums 中最大的数是 10\n2 和 10 的最大公约数是 2\n\n\n
示例 2：
\n\n输入：nums = [7,5,6,8,3]\n输出：1\n解释：\nnums 中最小的数是 3\nnums 中最大的数是 8\n3 和 8 的最大公约数是 1\n\n\n
示例 3：
\n\n输入：nums = [3,3]\n输出：3\n解释：\nnums 中最小的数是 3\nnums 中最大的数是 3\n3 和 3 的最大公约数是 3\n\n\n
\n\n
提示：
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