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[程序员] 工程算法难题，求大神

发表于
有一个固定长度列表 a1 ，和一个长度有限为 n 的有序对象列表 A2 ，A2 中每个对象包含一个选取 a1 列表若干个元素的子序列，选取 A2 中的 3 个元素使获得的这若干个元素的子序列去重后的数组长度最长，且这三个元素尽量靠左（下标和最小，通过参数 S 控制与下标为 1 的元素偏离程度）：

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