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Re:直接判断四周的中点与宝藏的连线这种方法会有问题

Posted by g33k at 2011-08-10 16:49:13 on Problem 1066
In Reply To:直接判断四周的中点与宝藏的连线这种方法会有问题 Posted by:mznanan at 2011-02-01 12:13:19
> 只是数据弱把。。
> 直接判断四周的中点与宝藏的连线这种方法会有问题。
> 比如有一条线段,并没有阻碍某一点与宝藏的连线。。但是阻断到了他与某一条阻碍他与宝藏的墙壁的中点
比如类似这样的图:
┌─────────┐
│   ///   │
│  ///    │
│ ///    /│
│///    //│
│//    ///│
│/    /// │
│    ///  │
│   ///   │
└─────────┘
假设宝藏在中心位置,本来可以只打1墙,如果从4周中点过去,都要打穿4墙。

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