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Problem F: 计算函数的值
Problem F: 计算函数的值
Time Limit:
1 Sec
Memory Limit:
128 MB
Submit:
608
Solved:
366
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Description
计算函数的值
分母是 x - 5。
输入x,是双精度浮点数
输出y的值,结果保留3位小数
Sample Input
9.0
Sample Output
5.250