{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

hw4 - CSCI-561 Fall 2010 Homework 4 Student name Macskassy...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
CSCI-561 Fall 2010 Macskassy Homework 4 Due Nov. 17, 2010 Student name: _____________________________ Student ID: _________________ Question 1 [30 points] Sudoku problem can be as general with size n 2 x n 2 . The rules are: (1) Each row contains unique number from 1 to n 2 . (2) Each column contains unique number from 1 to n 2. (3) Each n x n box contains unique number from 1 to n 2 . Consider n = 2, below shows a 4 x 4 problem instance (left) and solution (right), Convert this problem into a SAT problem. Consider the WalkSAT algorithm in the text book, a. [15 points] Can you suggest an alternate flipping strategy to that described in the book to get WalkSat to converge to a result faster? b . [15 points] Implement your strategy and compare your strategy with the one in the book. Explain why your data exhibit a better convergence time and how it is related to the Sudoku problem. (Your result should average at least 100 runs of at least 5 puzzles and set maxflip as high as it resolves the puzzle.) The names of input and output file are input_x.txt and output_x.txt respectively, where x is an integer. The file format will be the same as project2. You are required to submit a
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern