InterviewBit Problems   Commutable Islands : Unsolved

About the Commutable Islands : Unsolved category (1)
Trying to implement Kruskals algorithm using union find but failing test cases (1)
Please! Don't waste your time on prims algorithm. It will show runtime error (2)
Run Time Error by using Prim's algorithm (3)
Runtime error ,,don't know why! (1)
Runtime Error..Why? (2)
How is the example in first test case connected? (1)
I am using prim's algorithm, but getting partial marks saying runtime error! (4)
Simple Kruskal Algorithm C++ (1)
I am using Kuruskal's algorithm , but getting a runtime error (1)
I am getting runtime error. Could someone please help here (1)
What is wrong in my solution please help (1)
Is there something wrong in this? (1)
Getting TLE using Kruskal with DSU (2)
Facing Error using Tuple (2)
Kruskal Algorithm Not Working (4)
MST only gives approximate solution (2)
Duplicate edges (2)
Memory limit exceeded using prim's algorithm (4)
A mistake in this question is that it does not tell what should be returned and output example is not shown (1)
Std output not printing all line (1)
Partial Correct (1)
Different Answer on submission and custom input (2)
Wrong Anwer for commutable islands (1)
Kruskal's Algorithm is giving wrong answer (3)
Getting TLE in question (2)
NOt Understand the Input pattern (1)
Memory Limit Exceeded error (1)
Output not showing correct (4)