w571523631的博客

Fat brother and Maze are playing a kind of special (hentai) game with some points in a two-dimensional plane. First Fat Brother would choose three different points and then Maze would choose other thr

lice is interesting in computation geometry problem recently. She found a interesting problem and solved it easily. Now she will give this problem to you : You are given N distinct points (

Description The Ents are known as the shepherds of the forest. Treebeard, the oldest living Ent in Middle Earth, needs to determine which trees he is to shepherd and which trees are to be shepherded ...