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E. Change-free time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output E. Change-free time limit 阅读全文
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D. Cartons of milk time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Cartons of milk ti 阅读全文
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C. Garland time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Garland time limit per tes 阅读全文
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Finally! Vasya have come of age and that means he can finally get a passport! To do it, he needs to visit the passport office, but it's not that simpl 阅读全文