作者查詢 / lightergogo
作者 lightergogo 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共215則
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8F推:D.我是用"外部節點=內部節點+1"去推的02/26 01:27
9F→:E.你可以舉3個node的紅黑樹來看,紅黑比例要最高的話02/26 01:30
10F→:就是父點為黑 2個子點為紅 所以就是202/26 01:31
13F推:外部節點個數=內部節點個數+102/26 02:16
18F→:嗯嗯 是null link02/26 02:19
21F→:98台大電機資結02/26 10:37
23F→:E=I+1 =>(等號兩邊同+I) E+I=I+I+1=>(E+I=n) n=2I+102/26 11:27
24F→:=>(I=E-1代入) n=2(E-1)+1 => E=(n+1)/202/26 11:29
27F→:你說我嗎??我沒有考= =02/26 11:49
1F推:這等價於 3個相同球放進20個相異箱子允許有空箱02/25 20:35
2F→:C(20+3-1,3)02/25 20:37
3F→:以上是第一種解法02/25 20:46
4F→:也可以想成 x1+x2+x3+x4=19 ,xi>=0, i=1,2,3,402/25 20:48
5F→:所以 C(4+19-1,19) 答案也一樣02/25 20:50
1F推:不用傳 只要再Pi 程式碼裡面執行wait() 就會自己wait02/25 00:59
19F推:2.應該是對的吧? 因為互斥性質是與生俱來 無法打破02/25 01:06
24F推:看不出2是說忽略互斥 他不是說拒絕嗎 忽略是1吧02/25 13:51
2F推:是照進入queue的次序作的02/24 22:58
1F推:第三題也有反例02/24 19:29
5F推:拍謝 第三題我舉錯了@@02/24 19:37
4F推:FTF02/24 19:15
3F→:5我覺得是T02/23 20:38
1F推:2-2 degree介於m/2(取ceiling)到m之間02/22 11:46
2F→:2-3 所有外部節點皆位於同一level02/22 11:47
1F推:1200*780*8 / X = 4 => X=1872 bit/s 猜的XD02/21 22:28