为什么抓牛时刚出发牛就不吃草了

P2878 [USACO07JAN] Protecting the Flowers S

因为FJ已经到达花园了,他现在是从花园出发
by 子谦。 @ 2017-08-17 09:10:05


有道理(
by Y15BeTa @ 2019-10-30 20:31:18


???两年以来第一铲(
by Y15BeTa @ 2019-10-30 20:31:37


我也觉得这里有问题
by 入户功夫 @ 2021-03-09 20:54:50


黎谱
by haust_dingbang @ 2021-03-13 20:16:53


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