Adjacency matrix of undirected graph is given. Count the number of hanging vertices in it. The vertex is hanging, if its degree is 1. Input First line contains number of vertices n. Next n lines describe the adjacency matrix of the graph. Output Print the number of hanging vertices. Sample input 4 0 1 0 1 1 0 1 0 0 1 0 0 1 0 0 0 Sample output 2

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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Adjacency matrix of undirected graph is given. Count the number of hanging vertices in it. The vertex is hanging, if its degree is 1.
Input
First line contains number of vertices n. Next n lines describe the adjacency matrix of the graph.
Output
Print the number of hanging vertices.
Sample input
4
0 1 0 1
1 0 1 0
0 1 0 0
1000
Sample output
2
Solve the problem for the next input:
Transcribed Image Text:Adjacency matrix of undirected graph is given. Count the number of hanging vertices in it. The vertex is hanging, if its degree is 1. Input First line contains number of vertices n. Next n lines describe the adjacency matrix of the graph. Output Print the number of hanging vertices. Sample input 4 0 1 0 1 1 0 1 0 0 1 0 0 1000 Sample output 2 Solve the problem for the next input:
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