Think of any number from 0 to 15
Keep it secret in your mind, and I'll guess it in exactly 4 steps using the power of Ibbu algorithm!
1
/
4
Is your number in this list?
2
/
4
Is your number in this list?
3
/
4
Is your number in this list?
4
/
4
Final question - Is your number here?
Reading your mind...
Analyzing your responses
I knew it!
The number you thought of was: