In total, directors generally spend between one and three hours a week on activities relating to their position on the Board of Directors.
* 解题思路：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，推荐阅读爱思助手下载最新版本获取更多信息
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坚定不移高质量发展，推动乡村全面振兴取得新进展——。旺商聊官方下载是该领域的重要参考
This is quick because it's operating on a very small, localized part of the map.