摘要:
题目描述ScenarioThe 15-puzzle has been around for over 100 years; even if you don’t know it by that name, you’ve seen it. It is constructed with ... 阅读全文
摘要:
题目描述: Consider a N*N*N lattice. One corner is at (0,0,0) and the opposite one is at (N,N,N). How many lattice points are visible from corner ... 阅读全文