You are given a 0-indexed integer array nums. The array nums is beautiful if:
nums.length is even.nums[i] != nums[i + 1] for all i % 2 == 0.Note that an empty array is considered beautiful.
\n\nYou can delete any number of elements from nums. When you delete an element, all the elements to the right of the deleted element will be shifted one unit to the left to fill the gap created and all the elements to the left of the deleted element will remain unchanged.
Return the minimum number of elements to delete from nums to make it beautiful.
\n
Example 1:
\n\n\nInput: nums = [1,1,2,3,5]\nOutput: 1\nExplanation: You can delete either\n\nnums[0]ornums[1]to makenums= [1,2,3,5] which is beautiful. It can be proven you need at least 1 deletion to makenumsbeautiful.\n
Example 2:
\n\n\nInput: nums = [1,1,2,2,3,3]\nOutput: 2\nExplanation: You can delete\n\nnums[0]andnums[5]to make nums = [1,2,2,3] which is beautiful. It can be proven you need at least 2 deletions to make nums beautiful.\n
\n
Constraints:
\n\n1 <= nums.length <= 1050 <= nums[i] <= 105给你一个下标从 0 开始的整数数组 nums ，如果满足下述条件，则认为数组 nums 是一个 美丽数组 ：
nums.length 为偶数i % 2 == 0 的下标 i ，nums[i] != nums[i + 1] 均成立注意，空数组同样认为是美丽数组。
\n\n你可以从 nums 中删除任意数量的元素。当你删除一个元素时，被删除元素右侧的所有元素将会向左移动一个单位以填补空缺，而左侧的元素将会保持 不变 。
返回使 nums 变为美丽数组所需删除的 最少 元素数目。
\n\n
示例 1：
\n\n输入：nums = [1,1,2,3,5]\n输出：1\n解释：可以删除\n\nnums[0]或nums[1]，这样得到的nums= [1,2,3,5] 是一个美丽数组。可以证明，要想使 nums 变为美丽数组，至少需要删除 1 个元素。
示例 2：
\n\n输入：nums = [1,1,2,2,3,3]\n输出：2\n解释：可以删除\n\nnums[0]和nums[5]，这样得到的 nums = [1,2,2,3] 是一个美丽数组。可以证明，要想使 nums 变为美丽数组，至少需要删除 2 个元素。\n
\n\n
提示：
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collections<\\/a>\\u3002\\u5982\\u679c\\u60a8\\u9700\\u8981\\u4f7f\\u7528\\u5176\\u4ed6\\u5e93\\u51fd\\u6570\\uff0c\\u8bf7\\u81ea\\u884c\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n \\u6ce8\\u610f Python 2.7 \\u5c06\\u57282020\\u5e74\\u540e\\u4e0d\\u518d\\u7ef4\\u62a4<\\/a>\\u3002 \\u5982\\u60f3\\u4f7f\\u7528\\u6700\\u65b0\\u7248\\u7684Python\\uff0c\\u8bf7\\u9009\\u62e9Python 3\\u3002<\\/p>\"],\"c\":[\"C\",\" \\u7248\\u672c\\uff1a \\u7f16\\u8bd1\\u65f6\\uff0c\\u5c06\\u4f1a\\u91c7\\u7528 \\u4e3a\\u4e86\\u4f7f\\u7528\\u65b9\\u4fbf\\uff0c\\u5927\\u90e8\\u5206\\u6807\\u51c6\\u5e93\\u7684\\u5934\\u6587\\u4ef6\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n \\u5982\\u60f3\\u4f7f\\u7528\\u54c8\\u5e0c\\u8868\\u8fd0\\u7b97, \\u60a8\\u53ef\\u4ee5\\u4f7f\\u7528 uthash<\\/a>\\u3002 \\\"uthash.h\\\"\\u5df2\\u7ecf\\u9ed8\\u8ba4\\u88ab\\u5bfc\\u5165\\u3002\\u8bf7\\u770b\\u5982\\u4e0b\\u793a\\u4f8b:<\\/p>\\r\\n\\r\\n 1. 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