InterviewBit Problems   Perfect Peak of Array : Unsolved

About the Perfect Peak of Array : Unsolved category (1)
Why solution using mergesort is not considered ,it gives you 0(log n)? (4)
C++ solution having n^2 time complexity (1)
Concept And Approach Without Code (1)
Simple solution in O(3N) (1)
Why partially correct (memory limit exceeded) (2)
Why it is saying Your code might be failing for larger test-cases (2)
Why my solution fail for this test case? (1)
Partially Correct Answer for go code (1)
Why is this not giving correct output? (1)
Easy O(n) Code C++ (1)
Not passing all test cases (1)
Why it is partially correct can anybody explain (2)
Why partially correct ? (using preGreater and rightMin vector) (1)
Whats wrong in below code (2)
Why Partially Correct Solution? (2)
Very very very easy to understand c++ solution (2)
Partially correct solution (2)