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C. Vladik and Memorable Trip time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Vladik a 阅读全文
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C. Do you want a date? time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Do you want a 阅读全文
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Problem Description There are many secret openings in the floor which are covered by a big heavy stone. When the stone is lifted up, a special mechani 阅读全文
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