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D -DTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uDescriptionHere is a famous story in Chinese history."That was about 2300 years ... 阅读全文
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A -ATime Limit:1000MSMemory Limit:131072KB64bit IO Format:%I64d & %I64uDescriptionbobo has a sequence a1,a2,…,an. He is allowed to swap twoadjacentnum... 阅读全文
摘要：
B -BTime Limit:1000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescriptionVanya walks late at night along a straight street of lengthl, lit by... 阅读全文