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D - Two PathsCrawling in process...Crawling failedTime Limit:2000MS Memory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 14DDescriptionAs you know, Bob's brother lives in Flatland. In Flatland there are n cities, connected by n - 1 two-way roads. The cities are num 阅读全文
摘要:
C - Four SegmentsCrawling in process...Crawling failedTime Limit:2000MS Memory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 14CDescriptionSeveral months later Alex finally got his brother Bob's creation by post. And now, in his turn, Alex wants to boast about some 阅读全文
摘要:
E - CamelsCrawling in process...Crawling failedTime Limit:2000MS Memory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 14EDescriptionBob likes to draw camels: with a single hump, two humps, three humps, etc. He draws a camel by connecting points on a coordinate plane. N 阅读全文