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)。
7月底,一个显示为“029-82328245”的西安本地座机号码打进了母亲的手机。对方自称是“西安市通讯管理局”的工作人员,用不容置疑的语气通知她:她的身份证信息被人冒用,涉嫌一桩高达300万元的重大诈骗案,情节严重,必须立即配合调查。
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