Introduction - If you have any usage issues, please Google them yourself
Greedy method is a non-pursuit of the optimal solution, just want to be more satisfied with the solution method. Greed in general, can quickly obtain a satisfactory solution, because it eliminates the need to find the optimal solution to the exhaustion of all possible must be spent a lot of time. Greedy method often based on the current situation to make optimal choices, without taking into account a whole range of possible circumstances, and is therefore not the greed of law retroactive.