Method dfs

CPP/graph_tree/dfs.cpp:4–12

using namespace std;
class Solution {
    void dfs(int node, vector<int> &vis, vector<int> adj[], vector<int> &storeDfs) {
        storeDfs.push_back(node); 
        vis[node] = 1; 
        for(auto it : adj[node]) {
            if(!vis[it]) {
                dfs(it, vis, adj, storeDfs); 
            }
        }
    }
public:
	vector<int>dfsOfGraph(int V, vector<int> adj[]){
	    vector<int> storeDfs;