回复：回复：回复：经典老智力题

If he tell next and has diffrent color hots ,he will bebe killed.
The best method is : The No.1 counts the all black hots,if they are odd number,he say black,No.2 counts all black hots,if the number is odd,he say white,if the number is even he say black,...
The No.1 counts the all black hots,if they are even,he say white,...
no.2,3,........,can know the color of themself,by counting.