InterviewBit Problems   Distinct Numbers in Window : Unsolved

About the Distinct Numbers in Window : Unsolved category (1)
Partially correct ,help me to improve (2)
Shotest java solution ever (1)
How to debug code? (4)
Regarding score of question (2)
600 points is too much! (1)
Why does this brute force show WA? (2)
No test case for k>b and prob is not worth 600 mks (1)
Does not deserve 600 points (7)
Trivial Case correctness! (1)
What does partially correct answer means ? it says runtime exception at time comp (2)
Is it possible to solve this problem without using HashTable? (3)
Not worth 600 points (2)
Interesting problem, but what about heaps? (1)
Works in compiler but not here (1)
Run time error comes in hashing (1)