Introduction to Algorithms
3rd Edition
ISBN: 9780262033848
Author: Thomas H. Cormen, Ronald L. Rivest, Charles E. Leiserson, Clifford Stein
Publisher: MIT Press
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Chapter 33.1, Problem 8E
Program Plan Intro
To show the process of computing the area of an n vertex simple but not necessarily convex, polygon in 
time.
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Explain a method that computes the strong connected component that contains a given vertex (v) in linear time. Provide a straightforward quadratic algorithm for calculating a digraph's strong components based on that method.
Describe a method that computes the strong connected component that contains a given vertex (v) in linear time. Describe a straightforward quadratic algorithm for calculating a digraph's strong components based on that method.
Develop a version of Dijkstra’s algorithm that can find the SPT from a given vertex in a dense edge-weighted digraph in time proportional to V2. Use any adjacency-matrix representation
Chapter 33 Solutions
Introduction to Algorithms
Ch. 33.1 - Prob. 1ECh. 33.1 - Prob. 2ECh. 33.1 - Prob. 3ECh. 33.1 - Prob. 4ECh. 33.1 - Prob. 5ECh. 33.1 - Prob. 6ECh. 33.1 - Prob. 7ECh. 33.1 - Prob. 8ECh. 33.2 - Prob. 1ECh. 33.2 - Prob. 2E
Ch. 33.2 - Prob. 3ECh. 33.2 - Prob. 4ECh. 33.2 - Prob. 5ECh. 33.2 - Prob. 6ECh. 33.2 - Prob. 7ECh. 33.2 - Prob. 8ECh. 33.2 - Prob. 9ECh. 33.3 - Prob. 1ECh. 33.3 - Prob. 2ECh. 33.3 - Prob. 3ECh. 33.3 - Prob. 4ECh. 33.3 - Prob. 5ECh. 33.3 - Prob. 6ECh. 33.4 - Prob. 1ECh. 33.4 - Prob. 2ECh. 33.4 - Prob. 3ECh. 33.4 - Prob. 4ECh. 33.4 - Prob. 5ECh. 33.4 - Prob. 6ECh. 33 - Prob. 1PCh. 33 - Prob. 2PCh. 33 - Prob. 3PCh. 33 - Prob. 4PCh. 33 - Prob. 5P
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- If n points are connected to fom a closed polygon as shown below, the area of the polygon can be compuled as n-2 Area = (%)E (*»1 + x ) (y»1 - y ) =0 Notice that although the ilustrated polygon has only 6 distinct comers, n for his polygon is 7 because the algorithmexpects that the last point (x.ya) will be repeat of the initial point, (Ko.yo). Define a structure for a point. Each point contains x coordinate and y coordinate. The represe ntation of a Polygon must be an array of structures in your program. Write a C program that takes the number of actual points (n-1) from the user. After that, user enters x and y coordinates of each point. (The last point will be repeat of the initial point). Writo a compute Are a function which returns the area of the Polygon. Print he area of the Polygon in main. Display the area with wo digts after the decimal point. Note: The absolute value can be computed with fabs function. Example: double x.50: fabs(x) is 5.0 double x 0.0: fabs(x) is 0.0 double…arrow_forwardProve by induction that a graph with n vertices has at most n(n-1)/2arrow_forwardLet V= {cities of Metro Manila} and E = {(x; y) | x and y are adjacent cities in Metro Manila.} (a) Draw the graph G defined by G = (V; E). You may use initials to name a vertex representing a city. (b) Apply the Four-Color Theorem to determine the chromatic number of the vertex coloring for G.arrow_forward
- Draw a simple, connected, weighted graph with 8 vertices and 16 edges, each with unique edge weights. Identify one vertex as a “start” vertex and illustrate a running of Dijkstra’s algorithm on this graph. Problem R-14.23 in the photoarrow_forwardDescribe a linear-time algorithm for computing the strongn connected component containing a given vertex v. On the basis of that algorithm, describe a simple quadratic algorithm for computing the strong components of a digraph.arrow_forwardNote: Solve the following question and please don't repost previous answers and don't give a computer generated answer. Problem: Draw a simple, connected, directed, weighted graph with 9 vertices and 17 edges, each with unique edge weights. Identify one vertex as a “start” vertex and illustrate a running of Dijkstra’s algorithm on this graph.arrow_forward
- Apply Prim’s and Kruskal’s algorithm on the following graphs.arrow_forwardIt is well-known that planar graphs are 4-colorable. However finding a vertex cover on planar graphs is NP-hard. Design an approximation algorithm to solve the vertex cover problem on planar graph. Prove your algorithm approximation ratio.arrow_forwardRun experiments to determine empirically the average number ofvertices that are reachable from a randomly chosen vertex, for various digraph modelsarrow_forward
- Describe a linear-time algorithm for computing the strong connected component containing a given vertex v. On the basis of that algorithm, describe a simple quadratic algorithm for computing the strong components of a digraph.arrow_forwardThe graph-coloring problem is usually stated as the vertex-coloring problem: assign the smallest number of colors to vertices of a given graph so that no two adjacent vertices are the same color. Consider the edge-coloring problem: assign the smallest number of colors possible to edges of a given graph so that no two edges with the same end point are the same color. Explain how the edge-coloring problem can be polynomial reduced to a vertex-coloring problem. Give an example.arrow_forwardShow that any edge-weighted multigraph with n vertices and m edges can be simplified in O(n+m) time. Describe the algorithm for doing so.arrow_forward
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