InterviewBit Problems   Word Ladder II : Unsolved

About the Word Ladder II : Unsolved category (1)
Test cases need to be checked (2)
The task is under-specified (3)
BEWARE! Some problem with statement of the problem (1)
Bug in the test case (2)
Try with custom input the solution is correct , but when I submit It gives different outcome (1)
Solution works in IDE but gives an empty array here. No global variables are being used.WTF!? (2)
Both start end are in the dict from the beginning, thats just dumb, the solver should put them themselves (2)
Getting NullPointerException but not from my code (1)
Why to use set in solution (2)
Cant this question be done by dfs (2)
Dictionary contains duplicates? (2)
Got it at 12th attemept (2)
Problem description (1)
This problem is different than word ladder 1, dict contains start and end, wtf? (1)
Sir i think there is some problem in this question from your is giving seg (1)
MLE I don't know why I make Seek help but no response (1)