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Scout YYF ITime Limit:1000MSMemory Limit:65536KTotal Submissions:5020Accepted:1355DescriptionYYF is a couragous scout. Now he is on a dangerous missio... 阅读全文
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Known NotationTime Limit: 2 Seconds Memory Limit: 65536 KBDo you know reverse Polish notation (RPN)? It is a known notation in the area of mathematic... 阅读全文
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DominationTime Limit: 8 Seconds Memory Limit: 131072 KB Special JudgeEdward is the headmaster of Marjar University. He is enthusiastic about chess a... 阅读全文