摘要: Organize Your Train part IITime Limit:1000MSMemory Limit:65536KTotal Submissions:6478Accepted:1871DescriptionRJ Freight, a Japanese railroad company for freight operations has recently constructed exchange lines at Hazawa, Yokohama. The layout of the lines is shown in Figure 1.Figure 1: Layout of th 阅读全文
posted @ 2013-06-19 15:10 Jack Ge 阅读(373) 评论(0) 推荐(0) 编辑
摘要: Surprising StringsTime Limit:1000MSMemory Limit:65536KTotal Submissions:5081Accepted:3336DescriptionTheD-pairsof a string of letters are the ordered pairs of letters that are distance D from each other. A string isD-uniqueif all of its D-pairs are different. A string issurprisingif it is D-unique fo 阅读全文
posted @ 2013-06-19 09:37 Jack Ge 阅读(298) 评论(0) 推荐(0) 编辑
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