Probably, the solution is executed with error 'uninitialized value usage' on the line

Revision en1, by Pratik_, 2020-10-25 15:59:11

I want to know why this error is occurs every time I try to run my code in codeforces. My code runs fluently in my PC but it's not running in cf editor. this is my submission : https://codeforces.net/contest/1433/submission/96685161

Tags #error

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en1 English Pratik_ 2020-10-25 15:59:11 318 Initial revision (published)