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这场还是tourist出题，我当时大晚上做完1题滚粗了 A. Modular Exponentiation time limit per test 1 second memory limit per test 256 megabytes input standard input output sta 阅读全文
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A. Garden time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Luba thinks about watering her 阅读全文
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A. A Compatible Pair time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Nian is a monster wh 阅读全文
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A. Olympiad time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output The recent All-Berland Olympi 阅读全文