WA in MLASERP for a test case

hey, actually i’m not able to understand that in this problem link text and for this code and test case link text
how come 2 mirrors are sufficient please explain…
(calculated ans in code is shown wrong on spoj toolkit)

Well, i don’t know how to solve this problem, but i understand the test case u mentioned…

In following test Case

C…

**

C*.*.

You can place mirrors at positions marked ‘/’ and ‘\’ which is the required positions…

C**\**…

**

C**/***.*.

Please UPVOTE and ACCEPT if you find this helpful…

Feel free to ask anything…

oops… I thought that we can’t place mirrors on the obstacles .

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