思路：先对 nums2 用单调栈求每个元素的下一个更大值，存入 Map 缓存；再遍历 nums1 直接查 Map 得结果。时间复杂度 O(len1 + len2)。
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。关于这个话题，heLLoword翻译官方下载提供了深入分析
But he added: "New cars may be a challenge as well" as there were concerns UK car manufacturers were reluctant to export electric cars for sale to the Channel Islands.
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Дарья Устьянцева (редактор отдела «Мир»)