InterviewBit Problems   Rain Water Trapped : Unsolved

About the Rain Water Trapped : Unsolved category (1)
Tried an innovative solution (stack+queue combined xD) (1)
Very simple O(1) space and O(N) time C++ detailed explanation of logic, code and dry run (1)
C++ O(n) time and O(1) space solution using two pointer (1)
How to use stack to solve this? (1)
What's the error (4)
Can anyone check why it is incorrect? (1)
A simple solution in O(n) and O(1) space (1)
Here is soltion in c++ (1)
Compilation error in Rain Water Trapped (1)
Why this C++ solution is getting only partially correct (6)
Very Simple Java O(n) Solution with Explanation (2)
Unable to view the diagram! (2)
The queston does not fall in the STACK category. Correct me if I am wrong (9)
Question can be solve by Two stack (1)
Is there is another way solving this problem using stack or queues? (3)
Can't see the image for this question (1)
How ans comes 6? it should be 5? (4)
What is the maximum value of the non-negative integers? INT_MAX or lesser? (2)
I'm getting a "Seg Fault" error when I'm trying to submit my code. But since this (2)