scope.cpp

#include<iostream>
using namespace std;
void addEdge(vector<int>adj[], int u, int v)
{
    adj[u].push_back(v);
    adj[v].pushback(u);
}
void printGraph(vector<int> adj[], int V)
{
    for (int v=0; v<V; v++)
    {
        for(auto x:adj[v])
            cout<<x;
    }
}
int main()
{
    int v=5;
    vector<int> adj[v];
    addEdge(adj,0,1);
    addEdge(adj,0,4);
    addEdge(adj,1,2);
    addEdge(adj,1,3);
    addEdge(adj,1,4);
    addEdge(adj,2,3);
    addEdge(adj,3,4);
    printGraph(adj,v);
    return 0;
    
}