小白来问一个算法题 - V2EX
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xyxy

小白来问一个算法题

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  •   xyxy Jun 18, 2019 2980 views
    This topic created in 2507 days ago, the information mentioned may be changed or developed.

    从 N 个数组里面 找到重复的值,并标出来重复的值在哪几个数组里

    本小白就只知道挨个遍历, 求大佬们指导一下

    2 replies    2019-06-18 21:51:37 +08:00
    acehow
        1
    acehow  
       Jun 18, 2019 via Android
    不就是搜索吗,布隆过滤器
    pwrliang
        2
    pwrliang  
       Jun 18, 2019
    然而不遍历怎么知道有重复,至少的扫描一遍吧,用 set/bitmap 记录访问过的元素来判断是否重复。这种又不是什么复杂度高的操作,我觉得没必要深思…
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