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Write down true (T) or false (F) for each statement. Statements are shown below If a graph with n vertices is connected, then it must have at least n − 1 edges. If a graph with n vertices has at least n − 1 edges, then it must be connected. If a simple undirected graph with n vertices has at least n edges, then it must contain a cycle. If a graph with n vertices contain a cycle, then it...
Input: a directed grid graph G, a set of target points S, and an integer k Output: true if there is a path through G that visits all points in S using at most k left turns A grid graph is a graph where the vertices are at integer coordinates from 0,0 to n,n. (So 0,0, 0,1, 0,2, ...0,n, 1,0, etc.) Also, all edges are between vertices at distance 1. (So 00->01, 00->10, but not 00 to any other vertex....
Run Dijkstra's algorithm on the graph G below, where s is the source vertex. Draw a table that shows the vertices in Q at each iteration. Write thed and I values of each vertex. Color the edges in the shortest-path tree, similar to the example from the notes. List the order in which vertices are added to S. Use the algorithm learned in class.
9. Identify which of these problems are NP-complete and which can be exactly solved using a polynomial time algorithm (a) Finding the vertex cover in a line graph (b) Finding the maximum clique in a tree (c) Finding the independent set in complete graph (d) Finding the Hamiltonian cycle in a graph that has exactly one cycle
Say that we have an undirected graph G(V, E) and a pair of vertices s, t and a vertex v that we call a a desired middle vertex . We wish to find out if there exists a simple path (every vertex appears at most once) from s to t that goes via v. Create a flow network by making v a source. Add a new vertex Z as a sink. Join s, t with two directed edges of capacity...
2. For a given graph G, we say that H is a clique if H is a complete subgraph of Design an algorithm such that if given a graph G and an integer k as input, determines whether or not G has a clique with k vertices in polynomial time. (Hint: Try to first find a polynomial time algorithm for a different problem and reduce the clique problem to that problem). 2. For a given graph G, we say that...
Help with Q3 please! 3 (9 pts) For the graph G (VE) in question 2 (above), construct the adjacency lists for G (using alphabetical ordering) and the corresponding reverse graph GR Adjacency list for G (alphabetical ordering): Adjacency list for G. V = {A, B, C, D, G, H, S) V - {A, B, C, D, G, H, S) E A = { EB = EC) - E[D] = {C,G) E[G] - [ ECH - E[S { EA = {...
I need help for Q11 Please if you can, answer this question too. I need B Q11. A complete graph is a graph where all vertices are connected to all other vertices. A Hamiltonian path is a simple path that contains all vertices in the graph. Show that any complete graph with 3 or more vertices has a Hamiltonian path. How many Hamiltonian paths does a complete graph with n vertices has? Justify your answer Q1. Draw thee 13-entry hash...
Give a dynamic programming algorithm that runs within the time complexity. Also give the space complexity of the algorithm. Please Given a directed graph with non-negative integer edge weights, a pair of vertices s and t, and integers K and W, describe a dynamic-programming algorithm for deciding whether there exists a path from s to t that has total weight W and uses exactly K edges. Your algorithm should run in time O(nm)WK). Analyze the time- and space-complexity of your...
2. For a given graph G, we say that H is a clique if H is a complete subgraph of Design an algorithm such that if given a graph G and an integer k as input, determines whether or not G has a clique with k vertices in polynomial time. (Hint: Try to first find a polynomial time algorithm for a different problem and reduce the clique problem to that problem).