摘要：During the "Russian Code Cup" programming competition, the testing system stores all sent solutions for each participant. We know that many participan 阅读全文

摘要：Tea is good. Tea is life. Tea is everything. The balance of tea is a journey of pursuing balance of the universe. Alice knows that. Alice wants to tea 阅读全文

摘要：Ford Prefect got a job as a web developer for a small company that makes towels. His current work task is to create a search engine for the website of 阅读全文

摘要：Jenny likes balls. He has some balls and he wants to arrange them in a row on the table. Each of those balls can be one of three possible colors: red, 阅读全文