# image = "ubuntu/24.04" # default
End Session dialogs now have a background dimming effect
，详情可参考Safew下载
Less Than (2): Everything in this space must be less than 2. The answer is 6-0, placed horizontally.
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)。