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Copy pathPrint_All_Path.java
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60 lines (58 loc) · 1.13 KB
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import java.util.Scanner;
import java.util.ArrayList;
class Print_All_Path
{
int v;
ArrayList<Integer> []adj;
Print_All_Path(int v)
{
this.v=v;
adj=new ArrayList[v];
for(int i=0;i<v;i++)
{
adj[i]=new ArrayList<Integer>();
}
}
void addEdge(int src,int dest)
{
adj[src].add(dest);
}
void printPath(int src,int dest)
{
boolean []visited=new boolean[v];
ArrayList<Integer> path=new ArrayList<Integer>();
path.add(src);
printAllPath(src,dest,visited,path);
}
void printAllPath(int src,int dest,boolean visited[],ArrayList<Integer> path)
{
visited[src]=true;
if(src==dest)
System.out.println(path);
for(Integer i:adj[src])
{
if(!visited[i])
{
path.add(i);
printAllPath(i,dest,visited,path);
path.remove(i);
}
}
visited[src]=false;
}
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int v=sc.nextInt();
int e=sc.nextInt();
Print_All_Path g=new Print_All_Path(v);
for(int i=1;i<=e;i++)
{
int src=sc.nextInt();
int dest=sc.nextInt();
g.addEdge(src,dest);
}
int src=sc.nextInt();
int dest=sc.nextInt();
g.printPath(src,dest);
}
}