InterviewBit Problems   Grid Unique Paths : Unsolved

About the Grid Unique Paths : Unsolved category (1)
O(N) solution and O(1) extra space using pascal triangle (1)
Very very simple C++ solution in 2 lines (5)
1 line Python Solution (1)
For 1x1 grid, the answer should be 0 (1)
Practical suggestion for solution of problem (1)
Can we do it without DP? (3)
Wtf is wrong with Python ide (2)
2 line code xD (in C) (5)
What's wrong with my code! (4)
Use dynamic programming to solve this (2)
I am getting a wrong answer in one of the test cases for A=15 and B=9 , i think if there is an overflow problem (3)
Can anyone point out the Bug in the code? (1)
Why does this Java solution give zero division error? (2)
Run as Custom input gives correct ans=1 for A=100 and B=1 but on submitting it gives the wrong ans=2 (1)
Some suggestions (1)
Expected output A = 0, B = 08 is wrong (3)
Broken compiler (2)
Bug found: custom input vs submiting (2)
Simplest code in python (1)
Dynamic solution O(N^2) vs Recursive solution O(N^2) (1)
There is no need to specify 'unique' it will mislead you (2)
Different output in vs InterviewBit console for the same code (1)
WTF InterviewBit? This problem is broken (1)
Why for input "3 1" there is only one path? (2)
Expected answer (2)
Image missing Question not clear (2)
Problem in compiler (1)
Think dynamic programming (2)
I think there is some problem with your judge , because for test cases 100 1 ; 20 (5)