InterviewBit Problems   NUMRANGE : Unsolved

About the NUMRANGE : Unsolved category (1)
This problem is fucking killing me (4)
You may find this solution helpful , sliding window concept using two pointer (1)
Hint and easy soln (4)
A small error is coming for the count. Need help (4)
Need a hint?....Recommended(Try first) (1)
Used prefix sum array but failing for larger test cases. please help (1)
Wrong expected answer for this testcase (3)
O(nlogn) in Python doesn't pass (TLE) (1)
It also giving correct ans in O(n^2) and unlocked next it is possible (2)
Can anyone tell me what algo should i be following for O(nlogn) complexity? I am (5)
Complexity issues.. :( any hint? (1)
Is O(KNlogN) not enough to pass the time complexity limit? My solution in O(K*N) (1)
Why I am getting wrong answer during time complexity checking (1)
Why i got 0/0 points (1)
What's the minimum length of a subsequence? Lets say that A = 98 and B = 150; wil (3)
Hey, wont we get hint also we are stuck here and cannot goto next level. I thin (1)