in the first paragragh:
At first every cell is connected with 4 cells that are next to it. 
what's the meaning of this sentence ?

if the cell is on the edge of the cake , it has only 3 cells that are next to it.

• 理解成4-连通区域就可以了 (228) frkstyc 2006-06-25 14:41:18
• Re:Questions about the problem of G (27) cnhawk 2006-06-25 14:43:18
  • 一般来说边上就是3个，角上就是2个 (31) frkstyc 2006-06-25 14:44:49
    • 终于读明白题了，谢谢大牛！ (0) cnhawk 2006-06-25 14:50:06