'uninitiaized value usage' error

Revision en1, by Abhishek_giri_219, 2020-05-07 11:51:56

https://codeforces.net/contest/1330/submission/79250301 can't understand what could possibly be the error in here ... need help

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en1 English Abhishek_giri_219 2020-05-07 11:51:56 160 Initial revision (published)