In addition to finding goals, local search algorithms are useful for solving pure （）, in which the aim is to find the best state according to an objective function.除了寻找目标之外，局部搜索算法对解决纯（）也很有效。其目的是根据一个目标函数找到其最好的状态。

In addition to finding goals, local search algorithms are useful for solving pure （）, in which the aim is to find the best state according to an objective function.除了寻找目标之外，局部搜索算法对解决纯（）也很有效。其目的是根据一个目标函数找到其最好的状态。
正确答案：optimization problems