why returns nothing

Revision en1, by BBBB, 2020-05-17 19:16:25

dear guys i can't catch my problem which show my "function returns nothing" in codeforce i tried hard but can't understand ..please anyone give me this solution why returns nothing ..i am a beginner programmer .. THANKS IN ADVANCE https://codeforces.com/contest/706/submission/80536755

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en1 English BBBB 2020-05-17 19:16:25 308 Initial revision (published)