摘要：Oil Deposits The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangul 阅读全文

摘要：Subsequence A sequence of N positive integers (10 < N < 100 000), each of them less than or equal 10000, and a positive integer S (S < 100 000 000) ar 阅读全文

摘要：Prime Path The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change the four 阅读全文

摘要：Catch That Cow Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100 阅读全文

摘要：Dungeon Master You are trapped in a 3D dungeon and need to find the quickest way out! The dungeon is composed of unit cubes which may or may not be fi 阅读全文