丑妹丑妹:)
所有跟帖:
• 这个题目有点难... -haha2000- ♂ (0 bytes) () 12/30/2006 postreply 07:45:13
• ah...? I thought it is very simple..... -idiot94- ♂ (0 bytes) () 12/30/2006 postreply 07:47:22
• yep, you are right :) I thought m, n must be positive :D. -idiot94- ♂ (0 bytes) () 12/30/2006 postreply 08:03:17