#include<iostream>
using namespace std;
#include<conio.h>
#include<stdlib.h>
int cost[10][10],i,j,k,n,stk[10],top,v,visit[10],visited[10];
int main()
{
int m;
cout <<"Enter no of vertices:";
cin >> n;
cout <<"Enter no of edges:";
cin >> m;
cout <<"\nEDGES \n";
for(k=1; k<=m; k++)
{
cin >>i>>j;
cost[i][j]=1;
}
cout <<"Enter initial vertex to traverse from:";
cin >>v;
cout <<"DFS ORDER OF VISITED VERTICES:";
cout << v <<" ";
visited[v]=1;
k=1;
while(k<n)
{
for(j=n; j>=1; j--)
if(cost[v][j]!=0 && visited[j]!=1 && visit[j]!=1)
{
visit[j]=1;
stk[top]=j;
top++;
}
v=stk[--top];
cout<<v << " ";
k++;
visit[v]=0;
visited[v]=1;
}
return 0;
}
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