ramming</a>.</p>
	<h1>
Binary search
	</h1>
	<p>
You probably know this story. An Indian king summons the inventor of chess. "I really like your game and I want to reward you. What do you want as a reward?"
	</p>
	<p>
"Not much", replies the inventor. "Just put a single grain of rice on the first cell of the chessboard. Put two grains on the second one. Then put four on the third. Then eight on the fourth."
	</p>
	<p>
"Go on", says the king.
	</p>
	<p>
"Then 16 on the 5th. Then 32 on the 6th. Then 64 on the