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Disclaimer: there are lots of untranslateable puns in the Russian version of the statement, so there is one more reason for you to lea... 阅读全文
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You are given nn segments on a coordinate line; each endpoint of every segment has integer coordinates. Some segments can degenerate t... 阅读全文
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The sequence of integers a1,a2,…,aka1,a2,…,ak is called a good array if a1=k−1a1=k−1 and a1>0a1>0 . For example, the sequences [3,−1,4... 阅读全文
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E. We Need More Bossestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYour frien... 阅读全文
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time limit per test3 secondsmemory limit per test768 megabytesYou are given an array aa consisting of nn integers, and qq queries to ... 阅读全文