25.2-1. Run the Floyd-Warshall algorithm on the weighted, directed graph of Figure 25.2. Show the matrix D) that result for each iteration of the outer loop (in Chapter 25: All-pairs Shortest Paths) 1 2 3 -4 2. 7 10 -8 4 6. 3

25.2-1. Run the Floyd-Warshall algorithm on the weighted, directed graph of Figure 25.2. Show the matrix D) that result for each iteration of the outer loop (in Chapter 25: All-pairs Shortest Paths) 1 2 3 -4 2. 7 10 -8 4 6. 3

Database System Concepts

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ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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Eight puzzle problem

The N-puzzle problem contains N tiles (N+1 including empty tiles) where the value of N can be 8, 15, 24, etc. The puzzle is divided into the square root of (N+1) rows and the square root of (N+1) columns. These problems have an initial state or configuration and a goal state or configuration. The puzzle can be solved by shifting the tiles one by one in the empty space. The objective is to place the numbers on the tiles to match the final state using the empty space. The other name for the N-puzzle problem is the sliding puzzle.

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25.2-1. Run the Floyd-Warshall algorithm on the weighted, directed graph of Figure 25.2.
Show the matrix D) that result for each iteration of the outer loop (in Chapter 25: All-pairs
Shortest Paths)
10
-8
4.
3
Figure 25.2
A weighted, directed graph for use in Exercises 25.1-1, 25.2-1, and 25.3-1.

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