InterviewBit Problems   Ways to Decode : Unsolved

About the Ways to Decode : Unsolved category (1)
It says wrong answer and giving wrong output when I am pressing the test button but when I am putting the same input as custom test case it is giving the right output.Any idea why this is happening and how to resolve it? (2)
Don't forget to take modulo (1)
Not sure why it is not working (2)
C++ code passing all text cases (1)
Editorial Solution failing (2)
Test cases looks broken to me (2)
Your code might be failing for larger test-cases? (2)
Not sure why is it not working (1)
Fault in IDE of interviewbit (1)
Incorrect output for "2611055971756562" (2)
Any help is really appreciated (1)
Unable to to understand why my top-down approach is wrong? (2)
101 && 202 can be decoded with 2 ways but acc. to problem its 1 (3)
Why memory limit exceeded ? any idea (2)
Test Case shouldn't contain zeros (2)
If you're copying questions from leetcode atleast do it correctly! (3)
Wrong expected answer for input 2232203 (2)
Please support C# 7+ (1)
Using in-built functions (1)
Handle the zeroes! (1)
Shit testcases - why "01" is not valid? (3)
Test Case: "875361268549483279131" (2)
Wrong test case ,make it right (1)
Weak test cases, recursion passes without memoization (3)
Wrong test case in question (2)
Expected output for "875361268549483279131" should be 4 but given 6 (1)
Wrong test case or incomplete question (2)
Wrong output for the case "1234" (1)
Include strong test cases cases for this problem (1)