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D 1 d 3 3 8 5 Path from a to e: Cost: 4 b 20 4 S d[v] Vertex Previous (V) (л[V]) Cost from source (d[v])

Database System Concepts

7th Edition

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

Problem 1PE

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Question

Perform Dijkstra's algorithm on the graph below to find the minimum-weight paths
from the source vertex a to all other vertices. Fill out the table shown below. Set S contains
vertices in the order of vertices removed from the min priority queue Q. Finally, reconstruct the
path from vertex a to vertex e and give the total cost of the path. Consider alphabetic order for
EXTRACT-MIN (Q) with same weight.

D
1
d
3
3
8
5
Path from a to e:
Cost:
4
b
20
4
S
d[v]
Vertex Previous
(V) (л[V])
Cost from
source (d[v])

Process or set of rules that allow for the solving of specific, well-defined computational problems through a specific series of commands. This topic is fundamental in computer science, especially with regard to artificial intelligence, databases, graphics, networking, operating systems, and security.

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