贪心算法（又称贪婪算法）是指，在对问题求解时，总是做出在当前看来是最好的选择。也就是说，不从整体最优上加以考虑，他所做出的是在某种意义上的局部最优解。(The greedy algorithm (called greedy algorithm) refers to, in problem solving, always seems to be made in the best choice. That is to say, do not be optimal from an overall co