19 (10cc)=16+2+1=10011 (10cc)31 (10cc)= 32-1 =11111 (2cc); !31=0000031 | !31=1111119&31 | 19&!31= 19&(31 | !31)=19=10011-------------------------------------------------------------15 (10cc)=16-1=1111 (2cc)15|15&19= 1111 |1111 &10011=111131&(15 | 15&19)=11111 & 1111=1111-------------------------------------------------------------------------------19^19=10011 ^10011 =0000023=16+4+2+1=10111 (2cc)00000^10111=1011110111 | 1111=11111 (2cc) = 31 (10cc)ответ 31