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应该是至少有一边看到无穷远

Posted by pkkj at 2008-07-29 15:39:01 on Problem 1836
In Reply To:(内详)"A soldier see an extremity if there isn't any soldiers with a higher or equal height than his height between him and that extremity"这句话是不是说,最左边和最右边的可以是任意高 Posted by:flyingfish at 2004-11-12 14:29:03
所以
3
5 5 5
要有一个人出来,因为中间那个人看不到无穷远
若
2 
5 5
那么两个都可以保留

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