InterviewBit Problems   Path Sum : Unsolved

About the Path Sum : Unsolved category (1)
Why is this failing for some test cases? (2)
Can anyone tell me what's wrong with this code? (2)
TLE Python Solution (1)
Simple Java Solution using recursion (1)
What's wrong with my java code (1)
What is the problem in using global variables!? (2)
Can anyone tell me where and why it's failing? (1)
Whats wrong with this c++ code (2)
Inorder traversal not working (2)
Don't use global variables (1)
Find the error in my C# solution (1)
Where this code is going wrong?(C++) (3)
Please tell me what is wrong in my code(Java) (3)
For God's sake please keep smaller testcases if their purpose is not to check for large testcases (1)
Backtracking before tree really helps (1)
Please help to find the problem in my solution (1)
Even the solution is showing memory limit exceeded (3)
How to solve the memory limit exceeded problem? (1)
Complete Solution is not Correct (2)
Memory Limit Exceeded on (1)
Editorial code is not working (2)
TLE in Submission vs best memory usage at LeetCode (1)
What is wrong in my code (2)
Find my error please (3)
Negative Values? (3)
Iterative C++. Why doesn't this work? (1)
Why this is not working? (2)
This is not binary tree why they say given a binary tree (2)
Please suggest what is wrong in my code (2)