湖心北斗

摘要： ZOJ Problem Set - 1008Gnome TetravexTime Limit: 10 Seconds Memory Limit: 32768 KBHart is engaged in playing an interesting game, Gnome Tetravex, these days. In the game, at the beginning, the player is given n*n squares. Each square is divided into four triangles marked four numbers (range from 0 to 阅读全文