[理工] 關於時間複雜度
其實明天要交作業了(誤)
http://ppt.cc/xCtN
上面那題沒什麼想法...
遞迴樹感覺有點可行
我猜是 Θ(n^2*logn)
下面那題
好像也找不太到反例,感覺是True
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