Praveen Ram C
Working towards my Graduate degree in Computer Science at University of Texas at Dallas.
Working towards my Graduate degree in Computer Science at University of Texas at Dallas.
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Can be modeled as a graph problem. Let the vertex be the set of all words that are given to us, including the start and end words.
- Praveen Ram C June 23, 2015Now, for each vertex, there exists an edge if a vertex can be converted to another vertex.
So, lets say we have "dog" and "cog". Since dog can be converted to cog by replacing one character, we ad an edge between them.
Once we are done constructing the graph, all we have to do is do a BFS between the start node and end node which also gives us the shortest path.