Use code tags when posting code. To do this type [code] YOUR CODE HERE [/code]
Also, do not mark your thread urgent, it won't increase your received help. It may actually earn you less help.
Do you know how linear and binary searches work? It should be fairly obvious which is quicker, and why. Proving the point shouldn't be very difficult.
Yes sir! No problems sir! I'll drop everything that I'm doing just to work on your problem because obviously you are the most important person on these fora and nobody else deserves my help but you.