题目内容
(请给出正确答案)
[单选题]
I’m going to have a holiday I_________________ next week.
A.have owed
B.am owed
C.owe
D.owed
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A.have owed
B.am owed
C.owe
D.owed
A.didn't need to worry
B.mustn't have worried
C.needn't have worried
D.couldn't have worried
A.money
B.check
C.capital
D.card
A.have I seen
B.if I had seen
C.had I seen
D.whether I have seen
A.educated
B.educating
C.to educate
D.educate
A.so
B.even
C.as
D.as if
Ackermann函数A(m,n)可递归定义如下:
试设计一个计算A(m,n)的动态规划算法,该算法只占用O(m)空间(提示:用两个数组val[0:m]和ind[0:m],使得对任何i有val[i]=A(i,ind[i])).