摘要:
传送门Organize Your Train part IITime Limit:1000MSMemory Limit:65536KDescriptionRJ Freight, a Japanese railroad company for freight operations has recent... 阅读全文
摘要:
传送门Shortest PrefixesTime Limit: 1000MSMemory Limit: 30000KDescriptionA prefix of a string is a substring starting at the beginning of the given string... 阅读全文