链接：https://www.lucien.ink/go/UPC5528/题目：题目描述Ivica is a passionate computer scientist. He recently started working on his first computer game: a clone of the popular Tetris. Although he’s far from b...
链接：http://exam.upc.edu.cn/problem.php?id=5529题目：题目描述Recently, there has been a breach of user information from the mega-popular social network Secret Network. Among the confidential information are...
链接：https://www.lucien.ink/go/UPC5531/题目：题目描述Little Marica is making up a nonsensical unusual fairy tale and is telling to her grandfather who keeps interrupting her and asking her stupid intriguing...
题目：This year, as in previous years, MemSQL is inviting the top 25 competitors from the Start[c]up qualification round to compete onsite for the final round. Not everyone who is eligible to compete ...