题目链接:http://exam.upc.edu.cn/problem.php?id=4991题目:题目描述As a New Yorker you are always very busy. Apart from your long work day you tend to have a very long list oferrands that need to be done on any...
题目链接:http://exam.upc.edu.cn/problem.php?id=5083题目:题目描述You are working on the user interface for a simple text-based file explorer. One of your tasks is to build a navigation pane displaying the dir...
题目链接:http://exam.upc.edu.cn/problem.php?id=4979题目:题目描述Your friend from Manhattan is visiting you in Amsterdam. Because she can only stay for a short while, she wants to see as many tourist attracti...
题目链接:http://exam.upc.edu.cn/problem.php?id=5211题目:题目描述In this problem, we would like to talk about unreachable sets of a directed acyclic graph G = (V, E). In mathematics a directed acyclic graph (...
题目链接:http://exam.upc.edu.cn/problem.php?id=5206题目:题目描述From an evolutionary gene’s-eye perspective, the genes are immortal, and our role, the meaning of life, is to perpetuate the genes. In a few ce...