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 10 10 0100 1000 Sample output 2 Solve the problem for the next input:

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 10 10 0100 1000 Sample output 2 Solve the problem for the next input:

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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Concept explainers

Strongly Connected Components

A directed graph in which a path exists between all its pairs of vertices is called a strongly connected graph. A portion of the strongly connected directed graph that contains a path to reach from each vertex to other vertices is called a strongly connected component (SCC).

Question

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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