Most Helpful Guy
Well, guys are expected to do more of the work by more women than vice versa. So that alone would suggest guys. It's not true in all cases but it is true in more than it would be for the reverse.
The people who make it the hardest for themselves are the defeatists who lack any concept of strategy. Bitterness is the biggest hurdle to finding someone. While you remain positive and creative you have a chance.
Most Helpful Girl
Men. The dating habits are so stuck in their ways, men are asked to bear most of the responsibility. Of course that's not always the case, and some women have a very hard time dating, but in general I would say men.