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Problem R: 17-函数和递归-求f(x,n)
Problem R: 17-函数和递归-求f(x,n)
Time Limit:
1 Sec
Memory Limit:
128 MB
Submit:
36
Solved:
35
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Description
计算f(x,n)
Input
输入x和n。
Output
函数值,保留两位小数。
Sample Input
4.2 10
Sample Output
3.68
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