1.BFS stands for Breadth First Search.DFS stands for Depth First Search. 2.BFS(Breadth First Search) uses Queue data structure for finding the shortest path.DFS(Depth First Search) uses Stack data structure. 3.BFS can be used to find single source shortest path in an unweighted graph, beca...
1. BFS stands for Breadth First Search. DFS stands for Depth First Search. 2. BFS(Breadth First Search) uses Queue data structure for finding the shortest path. DFS(Depth First Search) uses Stack data structure. 3. BFS can be used to find single source shortest path in an unweighted grap...
First line contains two integers stand for N and M. Then N lines follows, every line has M characters. "." stands for road, "a" stands for Angel, and "r" stands for each of Angel's friend. Process to the end of the file. Output: For each test case, your program should output ...
which runs for more than 21,000 kilometers along the country's northern frontier, stands as a testament to human ingenuity. Each summer, it draws thousands of international visitors to Beijing who are eager to scale the wall and marvel at its grandeur...