wykjx1314

摘要： You have a necklace of N red, white, or blue beads (3<=N<=350) some of which are red, others blue, and others white, arranged at random. Here are two 阅读全文

摘要： emmmm，重温usaco，然后这个智障模拟题的模拟做法，我WA了10发才对，这就很尴尬了，主要是判断条件出了很多锅，一会这个点WA，一会那个点的，要gg的节奏。 Three farmers rise at 5 am each morning and head for the barn to mil 阅读全文