P1518 [USACO2.4] 两只塔姆沃斯牛

回答: 题目P1518 \[USACO2.4\] 两只塔姆沃斯牛是一道模拟题，题目要求判断Farmer John和两头牛是否会相遇。解题思路可以分为两种方法。一种方法是记录二者的状态，如果出现了与前面相同的状态则说明陷入了死循环。具体实现步骤可以使用数组来记录Farmer John和两头牛的坐标、方向等状态信息，然后判断是否出现了重复的状态。另一种方法是利用博弈的思想，如果二者会同时回到一种状态，那么说明他们不会再相遇了，因为这时候他们已经陷入了一种对称性的状态。通过判断是否存在一种线性关系，可以确定二者是否会相遇。\[1\]\[2\]\[3\]
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