What is wrong only one test case pass

Is there anyone to help its been more than 24 hours,still no response

Hello @pankajpoply45,

I am a C++ TA and your code is in python.

The problem that student face in this question is the datatype to store the value of ans as it can be greater than the range of long long.
Solution is:
bigInt

I have made some changes in your code:

The changes have been made keeping in mind the C++ implementation:


Suggestion:
Start from main and skip the implementation of bigInt.

Hope, this might help.

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