摘要： A. Two Semiknights Meettime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputA boy Petya loves chess very much. He even came up with a chess piece of his own, a semiknight. The semiknight can move in any of these four directions:2squares forward and2squ 阅读全文

摘要： Dummy GuyTime Limit:500MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeURAL 1984DescriptionEvery year students of our university participate in Regional Contest in Saint Petersburg. Train journeys from Yekaterinburg to Saint Petersburg make students very thirsty, so they u 阅读全文

摘要： Electrification PlanTime Limit:500MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeURAL 1982DescriptionSome country hasncities. The government has decided to electrify all these cities. At first, power stations inkdifferent cities were built. The other cities should be conn 阅读全文

摘要： Parallel and PerpendicularTime Limit:500MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeURAL 1981DescriptionYou are given a regularn-gon. Your task is to calculate two values: the number of its diagonals that are parallel to at least one of its other diagonals, and the num 阅读全文