InterviewBit Problems   Clone Graph : Unsolved

About the Clone Graph : Unsolved category (1)
Code giving runtime error (1)
Explain the question (4)
Bug in executing program (3)
The output in C++ shows first node twice (5)
Check Hint. It is very helpful (2)
Tests and execution program works, just solved the question (1)
Something wrong with submission (1)
Bfs or dfs traversal (1)
What's wrong with using malloc? (4)
No test case for unconnected graph (3)
Wrong test case, Matrix not symmetric (1)
Wrong test cases or Incomplete question (1)
Worst question with least explanation about details! Nothing mentioned! (1)
Bugged system input? (3)
Cloning the graph (1)