It's much ____(easy)for you to use a computer if you know English.
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It's very ____(consider)of you to look after my garden during my absence.
递归函数f(1)=1,f(n)=f(n-1)+n(n>1)的递归出口是___________。
A. f(1)=1
B. F(1)=0
C. f(0)=0
D. F(n)=n
递归函数f(1)=1,f(n)=f(n-1)+n(n>1)的递归体是____________。
A. f(1)=1
B. F(0)=0
C. F
D. F(n)=f(n-1)+n
E. F(n)=n
在递归算法转换成对应的非递归算法时,通常需要使用_______保存中间结果。
A. 队列
B. 栈
C. 链表
D. 树