Identify the ff. algorithm: Input: graph G = (V, E) in adjacency-list representation, and a vertex s E V. %3D

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
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42
Question 42
Identify the ff. algorithm:
Input: graph G = (V, E) in adjacency-list
representation, and a vertex sE V.
Postcondition: a vertex is reachable from s if and
only if it is marked as "explored."
mark all vertices as unexplored
:= a stack data structure, initialized with s
while S is not empty do
remove ("pop") the vertex v from the front of S
if v is unexplored then
mark v as explored
for each edge (v, w) in v's adjacency list do
add ("push") w to the front of S
O Postfix
O Prim
O Kruskal's
O None of the choices
O BFS
O DFS
O Dijkstra
Transcribed Image Text:Question 42 Identify the ff. algorithm: Input: graph G = (V, E) in adjacency-list representation, and a vertex sE V. Postcondition: a vertex is reachable from s if and only if it is marked as "explored." mark all vertices as unexplored := a stack data structure, initialized with s while S is not empty do remove ("pop") the vertex v from the front of S if v is unexplored then mark v as explored for each edge (v, w) in v's adjacency list do add ("push") w to the front of S O Postfix O Prim O Kruskal's O None of the choices O BFS O DFS O Dijkstra
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