Question: 9-13. [5] Prove that the following problem is NP-complete: Problem: Hitting Set Input: A collection C of subsets of a set S, positive integer k.

9-13. [5] Prove that the following problem is NP-complete: Problem: Hitting

9-13. [5] Prove that the following problem is NP-complete: Problem: Hitting Set Input: A collection C of subsets of a set S, positive integer k. Output: Does S contain a subset S' such that |S'| S k and each subset in C contains at least one element from S

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

5 . ConsiderasetA = { a 1 , . . . , an } and a collection B 1 , B 2 , . . . , Bm ofsubsetsof A ( i . e . , Bi A for each i ) . We say that a set H A is a hitting set for the collection B 1 , B 2 , ....

Convex geometry 0.1 Dehn-Sommerville relations In this section we will talk about convex polytopes. One possible denition of a convex polytope uses the notion of a half-space: A closed half-space in...

Consider a set A = {a1, . . . , an} and a collection B1, B2, . . . , Bm of subsets of A (i.e., Bi A for each i). We say that a set H A is a hitting set for the collection B1, B2, . . . , Bm if H...

Write a Java Program - Binary and Integer Conversions: Note: No break or switch statements. The program will ask the user to enter a choice of conversion they want to make and then either convert a...

4. Consider the following variant of string alignment: given two strings x, y, and a positive integer L, find all contiguous substrings of length at least L that are aligned (using no-ops...

b) (10 pts) Give an algorithm that solves this problem. You may use/modify/refer to the pseudocode for Knapsack from the lecture notes (below). 4. Consider the following variant of string alignment:...

need typed answer do anyone your wish dont provide code need algorithm 2. A dominating set of a graph is a subset D of vertices such that every vertex that is not in D is adjacent to some vertex in...

Give Correct ANSWERS Human-Computer Interaction (a) If you had been one of the original inventors of the WIMP interface, and engineers on the technical team had been sceptical about the advantages...

Let r and s be solutions to the quadratic equation x 2 b x + c = 0. For n N, define d0 = 0 d1 = r s dn = b dn1 c dn2 (n 2) Prove that dn = r n s n for all n N. [4 marks] (b) Recall that a commutative...

How many bracketings of length 2n will there now be? 1 [TURN OVER CST.93.2.2 2 Two teams A and B play a match in which the winner is the first team to win n games. If A needs i games to win and B...

Krishna's company earns a rate of 12% on its total investment of Rs, 600000 in assets. There have been 600000 outstanding common Shares at RS, 10 per share. Discount rate of the firm share is 10% and...

The orbital velocity of Earth about the Sun is 30 km/s. If Earth were suddenly stopped in its tracks, it would simply fall radically into the Sun. Devise a plan whereby a rocket loaded with...

Which one of the following sets of dividend payments best meets the definison of two - stage growth as it applies to the two - stage dividend growth model? Multiple Choice 5 7 6 4 Anmunl dividend...

show calculation step by step As a chemical engineer of a food processing plant, you are asked to conduct material balances for a process where apples are the feed and the final product is 30 kg/hr....

In the Data Source View in Visual Studio, what option is available to view data in any Source View Table? What are the primary uses this capability?

What Microsoft Analysis Services Extension for Visual Studio 2017 needs to be installed before beginning work on a Multidimensional OLAP Cube Project? How can the installation be verified?

Why would the FedScope Employment database be more representative of the General Population in terms of Salary Data than the CPS studies?