InterviewBit Problems   Different Bits Sum Pairwise : Unsolved

About the Different Bits Sum Pairwise : Unsolved category (1)
Giving Partially Correct Answer (6)
This Compiler sucks (2)
Be careful with the unseen overflow guyz! (1)
WTF! Vector size doesn't fit in int (C++)? (3)
Why sign bit is not being considered here? (1)
Expected complexity? O(n) is not passing (7)
Terrible Compiler (1)
Already asked question (1)
Problem with submission (1)
Problem with submit (1)
There is something seriously wrong (2)
Editorial solution explain? (1)
Please check my recent submission .. why its is giving TLE EVEN THOUGH I USED TH (4)
Integer overflow in Python? (2)
Works with C++ but not Python, why? (1)
Same question with 2 different titles in 2 different sections and 2 different points (1)