// 易错点3：必须先判断stack2.length0，再访问stack2.at(-1)（避免栈空时取到undefined）
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“这件事也发生在我身上了，我真的目瞪口呆了。”Reddit PC论坛网友AccomplishedFan8690 分享了这一离奇经历，既感到诧异，又欣喜若狂。。业内人士推荐heLLoword翻译官方下载作为进阶阅读
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，推荐阅读safew官方下载获取更多信息
Pokémon TCG Charizard tins are officially out onFeb. 27, and sellers have been dropping prices to bring them down to market value. As of Feb. 27, both versions of the upcoming Pokémon TCG Mega Charizard tins are up to 13% off at Amazon: the Mega Charizard Y Tin for $44.90 (from $49.90) and the Mega Charizard X Tin for $44.95 (from $51.95).。一键获取谷歌浏览器下载对此有专业解读
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)。