DOUBT IN VECTORS

Revision en1, by Akpr, 2022-02-08 20:54:23

Dear community Why the output of below code is not -1 ?

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  Rev. Lang. By When Δ Comment
en2 English Akpr 2022-02-08 20:55:34 244
en1 English Akpr 2022-02-08 20:54:23 73 Initial revision (published)