FLIP COINS, solutions aren't public

general
1

Why aren’t the solutions for this problem public?

I guess it requires a Segment Tree. The solutions would be really helpful to learn implementation of trees.

2

Well, this is one of the greatest examples (for me) of how to use BIT (Binary Indexed Tree) in practice, take a look at this tutorial on TopCoder.

3 Likes
3

@monkeybrain I would really like to know how to use BIT in this problem…??

1 Like
4

Me too, I tried a lot and didn’t solve it :frowning:

5

i am also want to solve it…but it is more tricky