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第一次参加CF比赛T^T真是惊险刺激啊！大佬太多了！！！膜拜大佬！A. Restaurant Tablestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outp

A. Unimodal Arrayit is strictly increasing in the beginning; after that it is constant; after that it is strictly decreasing. The first block (increasing) and the last block (decreasing) may be abse

B. Petya and ExamIt’s hard times now. Today Petya needs to score 100 points on Informatics exam. The tasks seem easy to Petya, but he thinks he lacks time to finish them all, so he asks you to help wit