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C. Boredomtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAlex doesn't like boredom. That's why w... 阅读全文
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Problem StatementWe have three types of brackets: "()", "[]", and "{}". We are now interested in some special strings. A string is special if all the ... 阅读全文
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G -Magic TriangleTime Limit:1000MSMemory Limit:131072KB64bit IO Format:%lld & %lluSubmitStatusPracticeNENU 1087DescriptionYou have N sticks on your ha... 阅读全文
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A -LuckyTime Limit:1000MSMemory Limit:131072KB64bit IO Format:%lld & %lluSubmitStatusPracticeNENU 1081Description We say a n*m matrix r is lucky if... 阅读全文