What is bfs algorithm

Popular Tutorials Quicksort Algorithm. Merge Sort Algorithm. Linked List Data Structure. Hash Table Data Structure. Dynamic Programming. Explore Python Examples. Popular Examples Add two numbers. Check prime number. Find the factorial of a number. Print the Fibonacci sequence. Check leap year. DSA Introduction What is an algorithm? Traversing iterations are repeated until all nodes are visited.

Skip to content. Report a Bug. Previous Prev. Next Continue. Home Testing Expand child menu Expand. SAP Expand child menu Expand. Web Expand child menu Expand. Traversing the graph means examining all the nodes and vertices of the graph. There are two standard methods by using which, we can traverse the graphs. Lets discuss each one of them in detail. Breadth first search is a graph traversal algorithm that starts traversing the graph from root node and explores all the neighbouring nodes.

Then, it selects the nearest node and explore all the unexplored nodes. The algorithm follows the same process for each of the nearest node until it finds the goal. The algorithm of breadth first search is given below. The algorithm starts with examining the node A and all of its neighbours. In the next step, the neighbours of the nearest node of A are explored and process continues in the further steps. The algorithm explores all neighbours of all the nodes and ensures that each node is visited exactly once and no node is visited twice.

Consider the graph G shown in the following image, calculate the minimum path p from node A to node E. Given that each edge has a length of 1. Minimum Path P can be found by applying breadth first search algorithm that will begin at node A and will end at E. Get all adjacent vertices of the. If a adjacent. BFS 2. This code is contributed by Neelam Yadav.

AddLast w ;. AddLast s ;. First ;. RemoveFirst ;. AddLast val ;. AddEdge 0, 1 ;. AddEdge 0, 2 ;. AddEdge 1, 2 ;. AddEdge 2, 0 ;. AddEdge 2, 3 ;. AddEdge 3, 3 ;. Recommended Articles. Article Contributed By :.