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Discussion of Problem 1660. The Island of Bad Luck

Vedernikoff Sergey (HSE: АОП) Could you give me some tests? [4] // Problem 1660. The Island of Bad Luck 8 May 2009 23:49
Could somebody who solved this problem give some tests to me? WA #7 :(
Al.Cash Re: Could you give me some tests? [2] // Problem 1660. The Island of Bad Luck 7 Sep 2011 20:03
Also asking for some random tests, because it's hard to check the solution.
Olja Soboleva {USU} Re: Could you give me some tests? [1] // Problem 1660. The Island of Bad Luck 2 Jul 2012 16:20
random test:
25 7 3
4.0671982122

good luck =)
thanks 1 y
100 2 20
0.00000

100 98 1
0.12311156

85 17 53
2.1738219