画出普通外圆车刀标注角度图。已知γo=15,αo=8°,κr=45°,κr’=45°,τs=6°,αo'=8°
画出普通外圆车刀标注角度图。已知γo=15,αo=8°,κr=45°,κr’=45°,τs=6°,αo'=8°
下列程序段的时间复杂度为( )。for(i=0; i A. O(m*n*t) B. O(m+n+t) C. O(m+n*t) D. O(m*t+n) 答案:A 答案解析: 难易: 难 知识点: A: O(m*n*t) B: O(m+n+t) C: O(m+n*t) D: O(m*t+n)
下列程序段的时间复杂度为( )。for(i=0; i A. O(m*n*t) B. O(m+n+t) C. O(m+n*t) D. O(m*t+n) 答案:A 答案解析: 难易: 难 知识点: A: O(m*n*t) B: O(m+n+t) C: O(m+n*t) D: O(m*t+n)
堆排序之自底向上构造初始堆的时间复杂度为( )。 A: T(n)=O(n) B: T(n)=O(log2n) C: T(n)=O(nlog2n) D: T(n)=O(n0.5)
堆排序之自底向上构造初始堆的时间复杂度为( )。 A: T(n)=O(n) B: T(n)=O(log2n) C: T(n)=O(nlog2n) D: T(n)=O(n0.5)
tôt, tome, feu, fleur四个单词中包含的元音分别是: A: [o], [ɔ], [ø], [œ] B: [ɔ], [o], [œ], [ø] C: [ø], [o], [ɔ], [œ] D: [o], [œ], [ø], [ɔ]
tôt, tome, feu, fleur四个单词中包含的元音分别是: A: [o], [ɔ], [ø], [œ] B: [ɔ], [o], [œ], [ø] C: [ø], [o], [ɔ], [œ] D: [o], [œ], [ø], [ɔ]
求n!问题,表示算法的复杂性的递归函数下述正确的是? A: T(n)=O(1),当n=1 T(n)=T(n-1)+O(1),当n>1 B: T(n)=O(1),当n=1 T(n)=nT(n-1)+O(1),当n>1 C: T(n)=O(1),当n=1 T(n)=2T(n/2)+O(1),当n>1 D: T(n)=O(1),当n=1 T(n)=T(n/2)+O(n),当n>1
求n!问题,表示算法的复杂性的递归函数下述正确的是? A: T(n)=O(1),当n=1 T(n)=T(n-1)+O(1),当n>1 B: T(n)=O(1),当n=1 T(n)=nT(n-1)+O(1),当n>1 C: T(n)=O(1),当n=1 T(n)=2T(n/2)+O(1),当n>1 D: T(n)=O(1),当n=1 T(n)=T(n/2)+O(n),当n>1
If an algorithm has running time $T(n)= O(n\log n)$, then $T(n)$ may most likely satisfy that _____. A: $T(n) = 4T(n/4) + O(n^2)$ B: $T(n) = 4T(n/4) + O(n) $ C: $T(n) = 3T(n/2)+O(n) $ D: $T(n) = 2T(n/2) + O(\log n)$
If an algorithm has running time $T(n)= O(n\log n)$, then $T(n)$ may most likely satisfy that _____. A: $T(n) = 4T(n/4) + O(n^2)$ B: $T(n) = 4T(n/4) + O(n) $ C: $T(n) = 3T(n/2)+O(n) $ D: $T(n) = 2T(n/2) + O(\log n)$
二分搜索算法的时间复杂度函数,下述那个正确? A: T(n)=O(1),当n=0<br> T(n)=2T(n/2)+O(1),当n>1 B: T(n)=O(1),当n=0<br> T(n)=2T(n/2)+O(n),当n>1 C: T(n)=O(1),当n=0<br> T(n)=T(n/2)+O(1),当n>1 D: T(n)=O(1),当n=0<br> T(n)=T(n/2)+O(n),当n>1
二分搜索算法的时间复杂度函数,下述那个正确? A: T(n)=O(1),当n=0<br> T(n)=2T(n/2)+O(1),当n>1 B: T(n)=O(1),当n=0<br> T(n)=2T(n/2)+O(n),当n>1 C: T(n)=O(1),当n=0<br> T(n)=T(n/2)+O(1),当n>1 D: T(n)=O(1),当n=0<br> T(n)=T(n/2)+O(n),当n>1
14/21易位携带者的核型是: 45,-14|45,-14,-21,+t(14q21q)|45,-21|46,-14,+21|46,-14,+t(14q21q)
14/21易位携带者的核型是: 45,-14|45,-14,-21,+t(14q21q)|45,-21|46,-14,+21|46,-14,+t(14q21q)
The sentences that follow the stress pattern “o O o o o O o o o ” are ( ). A: I took it to a watch repairer B: He didn't want to talk about it C: Let's open the other one D: He didn't think it interesting
The sentences that follow the stress pattern “o O o o o O o o o ” are ( ). A: I took it to a watch repairer B: He didn't want to talk about it C: Let's open the other one D: He didn't think it interesting
下列程序段t=i;i=j;j=t;的时间复杂度是 A: O(1) B: O(3) C: O(n) D: O(3n)
下列程序段t=i;i=j;j=t;的时间复杂度是 A: O(1) B: O(3) C: O(n) D: O(3n)