Khayyam Ins / wise · 2014-12-04 01:19:00

please give me some testcases for example input: 3 7, 3 13, 7 9, Thanks :)

AMiR · 2014-12-04 06:28:59

Input:

3
3 7
3 13
7 9

Output:

3.989
6.842
5.791