为什么USACO喜欢拿奶牛出题

P1208 [USACO1.3] 混合牛奶 Mixing Milk

@[_赫颜の](/space/show?uid=97385) 因为他们的Logo就是奶牛啊。
by Drinkkk @ 2018-04-19 21:33:05


![](http://train.usaco.org/usaco/cowhead2.gif)
by iotang @ 2018-04-20 08:49:38


USACO= ## USA C O= USA Cow Organization =美国奶牛组织
by x义x @ 2018-05-13 09:36:42


@[x義x](/space/show?uid=58567) 666
by George_Li @ 2018-06-14 20:08:18


@[x義x](/space/show?uid=58567) 巨佬
by xujian @ 2018-07-19 11:33:39


为什么我觉得美国畜牧业发达所以才会拿奶牛搞事情
by xujian @ 2018-07-19 11:34:21


@[xujian](/space/show?uid=36162) %%%
by Imakf @ 2018-07-19 17:28:06


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