一、宽度遍历搜索（bfs）1.概念和算法思想宽度优先搜索算法（又称广度优先搜索）是最简便的图的搜索算法之一，这一算法也是很多重要的图的算法的原型。Dijkstra单源最短路径算法和Prim最小生成树算法都采用了和宽度优先搜索类似的思想。其别名又叫BFS，属于一种盲目搜寻法，目的是系统地展开并检查图中的所有节点，以找寻结果。换句话说，它并不考虑结果的可能位置，彻底地搜索整张图，直到找到结果为止。2....

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