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Posted by yyr at 2008-02-23 18:46:39 on Problem 3258
In Reply To:if a<b,the distance between a and b is shortest,dump b...as to speed up,you can adopt dichotomy Posted by:yuanyirui at 2008-02-23 17:34:56

|----(m)(m+1)==========|
0     ^   ^            L
the maximum of the shortest distance a cow has to jump after removing m rocks...so the more removed, the more the pity cows have to jump

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