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Copy pathDFS&BFS_graphs_traversal.c
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DFS&BFS_graphs_traversal.c
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/*DFS and BFS Graph Traversal*/
#include<stdio.h>
#define V 7
int adjMatrix[V][V],visited[V],queue[100];
int front=0,rear=-1;
void createMx(int matrix[][V])
{
int i,j;
for(i=0;i<V;i++)
{
for(j=0;j<V;j++)
{
matrix[i][j]=0;
}
}
}
void addEdge(int matrix[][V], int i, int j)
{
matrix[i][j]=1;
matrix[j][i]=1;
}
void printAdjMx(int matrix[][V])
{
int i,j;
for(i=0;i<V;i++)
{
printf("%d: ",i);
for(j=0;j<V;j++)
{
printf("%d ",matrix[i][j]);
}
printf("\n");
}
printf("\n");
}
void DFS(int node)
{
int i;
printf("%d\t",node);
visited[node]=1;
for(i=0;i<V;i++)
{
if(!visited[i] && adjMatrix[node][i]==1)
DFS(i);
}
}
void BFS(int node)
{
int i;
if(!visited[node])
{
printf("%d\t",node);
}
visited[node]=1;
for(i=0;i<V;i++)
{
if(adjMatrix[node][i]==1 && !visited[i])
queue[++rear]=i;
}
if(front<=rear)
{
BFS(queue[front++]);
}
}
int main()
{
createMx(adjMatrix);
for(int i = 0;i<V;i++)
{
visited[i]=0;
}
addEdge(adjMatrix,0,1);
addEdge(adjMatrix,0,3);
addEdge(adjMatrix,1,2);
addEdge(adjMatrix,0,4);
addEdge(adjMatrix,4,1);
addEdge(adjMatrix,4,3);
addEdge(adjMatrix,5,4);
addEdge(adjMatrix,5,6);
addEdge(adjMatrix,2,6);
addEdge(adjMatrix,2,4);
addEdge(adjMatrix,5,2);
printAdjMx(adjMatrix);
printf("BFS Traversal:\t");
BFS(0);
printf("\n");
for(int i=0;i<V;i++)
visited[i]=0;
printf("DFS Traversal:\t");
DFS(0);
printf("\n");
}