Wordle today: Answer, hints for February 27, 2026
Robot vacuums are one of the greatest inventions in recent history, and they just keep getting better. Most models these days have self-emptying capacities, smart functions that avoid obstacles, and even pet hair stands no chance against these advanced machines.
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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)。