hdu5954 Do not pour out

标签：ber   lin   poi   blank   number   cas   href   ima   hdu   

InputThe first line is the number of test cases. For each test case, a line contains a float-point number d.OutputFor each test case, output a line containing the area of the surface rounded to 5 decimal places.Sample Input

4
0
1
2
0.424413182

Sample Output

0.00000
4.44288
3.14159
3.51241

参考博客http://blog.csdn.net/danliwoo/article/details/53002695

hdu5954 Do not pour out

标签：ber   lin   poi   blank   number   cas   href   ima   hdu   

原文地址：http://www.cnblogs.com/--lr/p/7620486.html