Condition of problem says that
"Two planets have stuck each other if they have at least one common point"
But sample #1 show that it must be
"Two planets have stuck each other if they have at least two common points" .
I used this fact and got AC.
Please, correct this.



Edited by author 15.07.2007 01:56

I still wait for answer...

Edited by author 20.07.2007 15:31