
Let'sdefinelogicalORasanoperationontwologicalvalues(i.e.valuesthatbelongtotheset{0, 1})thatisequalto1ifeitherorbothofthelogicalvaluesissetto1,otherwiseitis0.WecandefinelogicalORofthreeormorelogicalvaluesinthesamemanner:whereisequalto1ifsomeai = 1,otherwiseitisequalto0.NamhasamatrixAconsistingofmrowsandncolumns.Therowsarenumberedfrom1tom,columnsarenumberedfrom1ton.Elementatrowi(1 ≤ ...

Forapositiveintegernlet'sdefineafunctionf:f(n) = - 1 + 2 - 3 + .. + ( - 1)nnYourtaskistocalculatef(n)foragivenintegern.InputThesinglelinecontainsthepositiveintegern(1 ≤ n ≤ 1015).OutputPrintf(n)inasingleline.Sampletest(s)input[crayon-6a020a08af202304113890/]output[crayon-6a020a08af20d863330567/]input[crayon-6a020a08af213323874165/]output[crayon-6a020a08af218802475181/]N...
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