#10763. 再求f(x,n)
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ID: 10763
Type: Default
1000ms
256MiB
Tried: 20
Accepted: 12
Difficulty: 6
Uploaded By:
再求f(x,n)
Description
已知
用递归函数求解。
## Input Format
第一数是x的值，第二个数是n的值。
Output Format
函数值。
1 2
0.40
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