InterviewBit Problems   Repeat and Missing Number Array : Unsolved

About the Repeat and Missing Number Array : Unsolved category (1)
Hint to solve: Use maths (4)
Why is this cpp solution showing partially correctness? (1)
Why this is TLE? I think it’s better than the given solution due to lesser number of computation (2)
What's wrong in my cpp solution? (1)
I thought Python will take care of overflow! Please Help with my code (1)
Why memory limit exceeded using map<int, int> mp. And giving correct answer using vector<int> mp(n+1,0) (1)
Please take extra care to make sure that you are type-casting your ints to long properly and at all places (1)
Time complexity error (3)
Java Help needed Your code might be failing for larger test-cases 345/350 points (1)
Memory Limit Exceed help me to cope up from this problem! (2)
Can anybody tell What is the problem in the code? (2)
C++ solution in linear runtime complexity (1)
Can anyone tell what is the Problem in this solution (1)
Using Xor Approach (1)
Error: Code might be failing for larger test-cases, why? (2)
Showing failed for large test cases (2)
Simple Solution in Python :p (1)
What's wrong failing on large test case (4)
Getting TLE but my Time complexity is O(N) (1)
Simple python solution with O(n) space (1)
Getting wrong result for big inputs (3)
Nothing bdoazfvzkmvlkz (2)
Need help with this code! (2)
Where is the typecasting error (1)
Idk why this has type casting difficulty logic is correct (1)
Code not working? pls help.Thanks in advance :) (4)
What is problem with this solution? (5)
TypeError: 'Noneobject' is not iterable (1)
What's wrong with my code? Why is tortoise hare (circular linked list concept) not working? (3)