C++ PROGRAM USE THE DRIVER CODE ATTACHED BELOW // { Driver Code Starts #include  using namespace std; // }Driver Code Ends class Solution { public: // Function to return a path vector consisting of vertex ids from vertex 0 to target vector shortestPath(int V, vector adj[], int target) { // Enter your code here! } }; // { Driver Code Starts  int main() { int tc; cin >> tc; while (tc--) { int V, E, target; cin >> V >> E >> target; vector adj[V]; for (int i = 0; i < E; i++) { int u, v; cin >> u >> v; adj[u].push_back(v); // adj[v].push_back(u); } // string s1; // cin>>s1; Solution obj; vector ans = obj. shortestPath(V, adj, target); for (int i = 0; i < ans.size(); i++) { cout << ans[i] << " "; } cout << endl; } return 0; } // } Driver Code Ends

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Heap Sort

A Heap is a type of data structure that is built on trees. It's a binary tree that's virtually complete. Except for the very bottom level, all levels of the tree must be filled in a heap. The last (bottom) level should be filled from left to right. The heap data structure is used for the efficient implementation of priority queues.Heap can be of two types: