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。
A letter of complaint (or a complaint letter) advises the reader of an error in a business transaction or a defect discovered in a consumer product or _____