摘要： Train Problem I时间限制：3000 ms | 内存限制：65535 KB难度：1描述As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in the Ignatius Train Station is the fastest all over the world ^v^). But here comes a problem, there is o 阅读全文

摘要： The SuspectsDescriptionSevere acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize transmission to others, the best strategy is to separate the suspects from others. In the Not-Spreading-Your-Sickness Universi 阅读全文

摘要： Ubiquitous Religions Time Limit : 10000/5000ms (Java/Other) Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 2 Accepted Submission(s) : 2Problem DescriptionThere are so many different religions in the world today that it is difficult to keep track of them all. You are interested in... 阅读全文