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Discussion of Problem 1223. Chernobyl’ Eagle on a Roof

I used DP and got AC.I just want to know is there any ways to solve this problem by maths?
Posted by Y.Y.M. 10 Jun 2004 21:27
If so, could you write it down or post it to me?
Thanks!
My E-mail: yuyuanming163@163.com