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摘要： POJ1770 Special ExperimentTime Limit:1000MSMemory Limit:30000KTotal Submissions:1325Accepted:429DescriptionAs we know, an atom can be in different energy states (or "energy levels"). Usually, when it transits from a higher energy state to a lower one, it will emit a photon, whose energy is 阅读全文

摘要： POJ3659 Cell Phone NetworkTime Limit:1000MSMemory Limit:65536KTotal Submissions:3782Accepted:1305DescriptionFarmer John has decided to give each of his cows a cell phone in hopes to encourage their social interaction. This, however, requires him to set up cell phone towers on hisN(1 ≤N≤ 10,000) past 阅读全文

摘要： POJ3513Let's Go to the MoviesTime Limit:1000MSMemory Limit:65536KTotal Submissions:1736Accepted:429DescriptionA favorite pastime for big families in Acmestan is going to the movies. It is quite common to see a number of these multi-generation families going together to watch a movie. Movie theat 阅读全文