graph has been started

Author: gulshanyadav01

Graph/a.out

@@ -0,0 +1,36 @@
+/*
+author:gulshan yadav
+email: gulshany01@gmail.com
+date: 21-July-2021
+*/
+#include<iostream>
+#include<bits/stdc++.h>
+using namespace std;
+
+void addEdge(vector<int> adj[], int u, int v){
+    adj[u].push_back(v);
+    adj[v].push_back(u);
+}
+
+
+void printGraph(vector<int> adj[], int v){
+    for(int i =0; i< v; i++){
+        for(int x: adj[i]){
+            cout << x<<" ";
+
+        }
+        cout << endl;
+    }
+}
+
+int main(){
+    int v = 4; 
+    vector<int> adj[v]; 
+    addEdge(adj, 0, 1); 
+    addEdge(adj, 0, 2); 
+    addEdge(adj, 1, 2); 
+    addEdge(adj, 1, 3);
+    printGraph(adj, v); 
+    return 0; 
+}
+