Problem in The Next Palindrome

general
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1

Problem Code: PALIN
Even after trying several test cases, I’m facing the WA problem.
Any help will be appreciated.
Here is the link to my solution:
https://www.codechef.com/viewsolution/23115080

2

@sk92907 Actually you must have read the problem incorrectly. It says that k has digits not more than 10^6.
That means k can be upto 10^(1000000). Basically you can’t store it in any numeric data type. Input it as a string.

Link to my code for reference

3

thanks a lot for clearing this. (: