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Problem1679--计算圆周率
1679: 计算圆周率
Time Limit:
1 Sec
Memory Limit:
128 MB
Submit:
3852
Solved:
821
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Description
Input
输入在一行中给出小于1的阈值。
Output
在一行中输出满足阈值条件的近似圆周率,输出到小数点后6位。
Sample Input
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0.01
Sample Output
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3.132157
Source/Category
35