摘要： The dog taskHunter Bob often walks with his dog Ralph. Bob walks with a constant speed and his route is a polygonal line (possibly self- intersecting) whose vertices are specified by N pairs of integers (Xi, Yi) - their Cartesian coordinates. Ralph walks on his own way but always meets his master a. 阅读全文

摘要： Problem HThe Problemwith the Problem SetterInput: Standard InputOutput: Standard OutputThe number of students interestedto participate in this year's Intra-BUETProgramming Contest is huge. Since it is very difficult to accommodate sucha large number of students in our labs, we have decided to ar 阅读全文