Implement Three Basic Graph Algorithms
Order ID 53563633773 Type Essay Writer Level Masters Style APA Sources/References 4 Perfect Number of Pages to Order 5-10 Pages
Implement Three Basic Graph Algorithms
In this assignment you will implement three basic graph algorithms: breadth-first search, depth-
first traversal, and topological sort. We are not providing any code template, but you must follow
the input and output formats specified below. Read carefully what you are required to do to
receive full credit and attempt the extra credit tasks only after you are done with the
First, implement a graph data structure using adjacency lists. Your code must read graphs of
arbitrary size from a file (as long as there is enough memory available, your code must work: do
not assume a maximum number of vertices). The input format is as follows: one line per vertex,
the first element is the vertex id and the following numbers are the adjacent vertices. The input
file will always be a bunch of integers and white space. For example,
1 3 4
3 1 4
4 1 3
is a graph with four vertices, and three undirected edges: (1, 3), (1,4) and (3,4).
Then, implement three algorithms:
- Breadth-first search. Calculate the distance from vertex 1 to all other vertices using BFS.
Then, print all the vertices sorted by distance from vertex 1. Note that if the graph is
unconnected, some nodes may have distance ∞.
- Depth-first traversal. Calculate discovery and finish times using DFT. Then, print all the vertices sorted by discovery time.
Topological sort. Print the topological sort of the graph.
A few comments:
- Look carefully at the sample input and output files and follow the same format.
- When you look through vertices, visit them in increasing order.
- Use BFS to determine whether a graph is connected. The input is a graph, and the output
is yes or no.
- Implement an algorithm to detect whether a graph has a cycle. The input is a graph, and
the output is yes or no.
- Design and implement an algorithm that takes as its input a graph ???? = (????, ????) and a
permutation of ????, and outputs whether the permutation of ???? is a topological sort of ????.
Your algorithm must run in Θ(|????| + |????|).
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The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. 10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper.
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