![\"\"](\"https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2020/08/02/sample_1_1893.png\")
You are given two sorted arrays of distinct integers nums1 and nums2.
A valid path is defined as follows:
\n\nnums1 or nums2 to traverse (from index-0).nums1 and nums2 you are allowed to change your path to the other array. (Only one repeated value is considered in the valid path).The score is defined as the sum of uniques values in a valid path.
\n\nReturn the maximum score you can obtain of all possible valid paths. Since the answer may be too large, return it modulo 109 + 7.
\n
Example 1:
\n![\"\"](\"https://assets.leetcode.com/uploads/2020/07/16/sample_1_1893.png\")
\n\nInput: nums1 = [2,4,5,8,10], nums2 = [4,6,8,9]\nOutput: 30\nExplanation: Valid paths:\n[2,4,5,8,10], [2,4,5,8,9], [2,4,6,8,9], [2,4,6,8,10], (starting from nums1)\n[4,6,8,9], [4,5,8,10], [4,5,8,9], [4,6,8,10] (starting from nums2)\nThe maximum is obtained with the path in green [2,4,6,8,10].\n\n\n
Example 2:
\n\n\nInput: nums1 = [1,3,5,7,9], nums2 = [3,5,100]\nOutput: 109\nExplanation: Maximum sum is obtained with the path [1,3,5,100].\n\n\n
Example 3:
\n\n\nInput: nums1 = [1,2,3,4,5], nums2 = [6,7,8,9,10]\nOutput: 40\nExplanation: There are no common elements between nums1 and nums2.\nMaximum sum is obtained with the path [6,7,8,9,10].\n\n\n
\n
Constraints:
\n\n1 <= nums1.length, nums2.length <= 1051 <= nums1[i], nums2[i] <= 107nums1 and nums2 are strictly increasing.你有两个 有序 且数组内元素互不相同的数组 nums1 和 nums2 。
一条 合法路径 定义如下：
\n\nnums1 和 nums2 中都存在的值，那么你可以切换路径到另一个数组对应数字处继续遍历（但在合法路径中重复数字只会被统计一次）。得分定义为合法路径中不同数字的和。
\n\n请你返回所有可能合法路径中的最大得分。
\n\n由于答案可能很大，请你将它对 10^9 + 7 取余后返回。
\n\n\n\n
示例 1：
\n\n
输入：nums1 = [2,4,5,8,10], nums2 = [4,6,8,9]\n输出：30\n解释：合法路径包括：\n[2,4,5,8,10], [2,4,5,8,9], [2,4,6,8,9], [2,4,6,8,10],（从 nums1 开始遍历）\n[4,6,8,9], [4,5,8,10], [4,5,8,9], [4,6,8,10] （从 nums2 开始遍历）\n最大得分为上图中的绿色路径 [2,4,6,8,10] 。\n\n\n
示例 2：
\n\n输入：nums1 = [1,3,5,7,9], nums2 = [3,5,100]\n输出：109\n解释：最大得分由路径 [1,3,5,100] 得到。\n\n\n
示例 3：
\n\n输入：nums1 = [1,2,3,4,5], nums2 = [6,7,8,9,10]\n输出：40\n解释：nums1 和 nums2 之间无相同数字。\n最大得分由路径 [6,7,8,9,10] 得到。\n\n\n
示例 4：
\n\n输入：nums1 = [1,4,5,8,9,11,19], nums2 = [2,3,4,11,12]\n输出：61\n\n\n
\n\n
提示：
\n\n1 <= nums1.length <= 10^51 <= nums2.length <= 10^51 <= nums1[i], nums2[i] <= 10^7nums1 和 nums2 都是严格递增的数组。\\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>\"],\"java\":[\"Java\",\" \\u7248\\u672c\\uff1a \\u4e3a\\u4e86\\u65b9\\u4fbf\\u8d77\\u89c1\\uff0c\\u5927\\u90e8\\u5206\\u6807\\u51c6\\u5e93\\u7684\\u5934\\u6587\\u4ef6\\u5df2\\u88ab\\u5bfc\\u5165\\u3002<\\/p>\\r\\n\\r\\n \\u5305\\u542b Pair \\u7c7b: https:\\/\\/docs.oracle.com\\/javase\\/8\\/javafx\\/api\\/javafx\\/util\\/Pair.html <\\/p>\"],\"python\":[\"Python\",\" \\u7248\\u672c\\uff1a \\u4e3a\\u4e86\\u65b9\\u4fbf\\u8d77\\u89c1\\uff0c\\u5927\\u90e8\\u5206\\u5e38\\u7528\\u5e93\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8 \\u5bfc\\u5165\\uff0c\\u5982\\uff1aarray<\\/a>, bisect<\\/a>, 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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Algorithms \\u6a21\\u5757\\u4e2d\\u63d0\\u4f9b\\uff1ahttps:\\/\\/www.rubydoc.info\\/github\\/kanwei\\/algorithms\\/Algorithms<\\/p>\"],\"swift\":[\"Swift\",\" \\u7248\\u672c\\uff1a \\u6211\\u4eec\\u901a\\u5e38\\u4fdd\\u8bc1\\u66f4\\u65b0\\u5230 Apple\\u653e\\u51fa\\u7684\\u6700\\u65b0\\u7248Swift<\\/a>\\u3002\\u5982\\u679c\\u60a8\\u53d1\\u73b0Swift\\u4e0d\\u662f\\u6700\\u65b0\\u7248\\u7684\\uff0c\\u8bf7\\u8054\\u7cfb\\u6211\\u4eec\\uff01\\u6211\\u4eec\\u5c06\\u5c3d\\u5feb\\u66f4\\u65b0\\u3002<\\/p>\"],\"golang\":[\"Go\",\" \\u7248\\u672c\\uff1a \\u652f\\u6301 https:\\/\\/godoc.org\\/github.com\\/emirpasic\\/gods<\\/a> \\u7b2c\\u4e09\\u65b9\\u5e93\\u3002<\\/p>\"],\"python3\":[\"Python3\",\" \\u7248\\u672c\\uff1a \\u4e3a\\u4e86\\u65b9\\u4fbf\\u8d77\\u89c1\\uff0c\\u5927\\u90e8\\u5206\\u5e38\\u7528\\u5e93\\u5df2\\u7ecf\\u88ab\\u81ea\\u52a8 \\u5bfc\\u5165\\uff0c\\u5982array<\\/a>, bisect<\\/a>, collections<\\/a>\\u3002 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