最长递增子序列 O(NlogN)算法
求一个序列的最长递增数列的长度 用了贪心+二分,遍历元素
每次寻找插入位置的时候,用logi的时间,对i从1到n求和,是log(n!),大概是nlogn
用动态分配也可以,但是觉得有点牵强。复杂度是n方
最长递增子序列 O(NlogN)算法
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