CODE EXAMPLE FOR C

Adjacency Matrix Representation Maker

/*
 * Program  : Adjacency Matrix Representation of Graph
 * Language : C
 */
#include<stdio.h>
#define V 5

//init matrix to 0
void init(int arr[][V])
{
    int i,j;
    for(i = 0; i < V; i++)
        for(j = 0; j < V; j++)
            arr[i][j] = 0;
}

//Add edge. set arr[src][dest] = 1
void addEdge(int arr[][V],int src, int dest)
{
     arr[src][dest] = 1;
}

void printAdjMatrix(int arr[][V])
{
     int i, j;

     for(i = 0; i < V; i++)
     {
         for(j = 0; j < V; j++)
         {
             printf("%d ", arr[i][j]);
         }
         printf("
");
     }
}

//print the adjMatrix
int main()
{
    int adjMatrix[V][V];

    init(adjMatrix);
    addEdge(adjMatrix,0,1);
    addEdge(adjMatrix,0,2);
    addEdge(adjMatrix,0,3);
    addEdge(adjMatrix,1,3);
    addEdge(adjMatrix,1,4);
    addEdge(adjMatrix,2,3);
    addEdge(adjMatrix,3,4);

    printAdjMatrix(adjMatrix);

    return 0;
}