QuestionQuestion

Write a program to find the number of connected components and cyles applying DFS or write a program to find the shortest path of a graph whose edges have been assigned weights.

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#include <cstdlib>
#include "Graph.h"
using namespace std;

bool cycles=false;// determine if a graph has cycles.
bool * Visited;
node * headnodes;

void DFS(int v)
{
    //cout<<v<<" ";
    if (Visited [v]==true) {
       return;
    }

   // cout<<v<<" ";
    Visited [v]=true;
    node * adjnode = headnodes[v].next;
    while (adjnode != 0 ) // visit all vertices adjacent to v
    {
       if (!Visited[adjnode->vertex]) //if adjacent vertex to v was not visited previously
                  DFS(adjnode->vertex);
       else if (v == adjnode->vertex) {
            cycles = true;
       }
         
       adjnode = adjnode->next;
    }
}...
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