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StarsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4052Accepted Submission(s): 1592Problem Descr... 阅读全文
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Easy Problem from Rujia Liu?Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and... 阅读全文
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I Can Guess the Data Structure!There is a bag-like data structure, supporting two operations:1 xThrow an element x into the bag.2Take out an element f... 阅读全文