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Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 13771Accepted: 7502DescriptionThe GeoSurvComp geologic survey company is responsible for dete... 阅读全文
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Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 16905Accepted: 5082DescriptionA sequence of n > 0 integers is called a jolly jumper if the ab... 阅读全文
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Time Limit: 1000MSMemory Limit: 30000KTotal Submissions: 19986Accepted: 8058DescriptionMany graduate students of Peking University are living in Wanli... 阅读全文
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Time Limit: 2000MSMemory Limit: 30000KTotal Submissions: 20776Accepted: 7278Case Time Limit: 1000MSDescriptionFarmer John and Betsy are playing a game... 阅读全文
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Problem DescriptionClaire and her little friend, ykwd, are travelling in Shevchenko's Park! The park is beautiful - but large, indeed. N feature spots... 阅读全文
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描述一年一度的xuzhenyiOI2006在风景如画的大同中学举行。按照以往惯例， 在激烈的比赛过程后，选手们会应邀去风景名胜区游览。今年当然也不例外。为了确定一条最佳的旅游路线，组委会请各位选手编一程序帮忙寻找。假设所有的风景 点都集中在一个C列R行的矩阵中，矩阵的每一元素代表风景点或者障碍物。现... 阅读全文