1. какие двоичные числа соответствуют следующим десятичным числам: 128; 256; 512; 1024?

1)

var

a: array [1..5,1..10] of integer;

i,j,p: integer;

begin

for i: =1 to 5 do 

begin

for j: =1 to 10 do

begin

a[i,j]: =random(50)+1;

write(a[i,j]: 3);

end;

writeln;

end;

writeln('меняем 1 и последнюю строки');

for j: =1 to 10 do

begin

p: =a[1,j];

a[1,j]: =a[5,j];

a[5,j]: =p;

end;

for i: =1 to 5 do 

begin

for j: =1 to 10 do

write(a[i,j]: 3);

writeln;

end;

end.

2)

var a: array [1..5, 1..10] of integer; i, j: integer; p: real;

begin for i : = 1 to 5 do begin for j : = 1 to 10 do begin a[i, j] : = random(50) + 1; write(a[i, j]: 3); end; writeln; end; writeln('произведения элементов строк'); for i : = 1 to 5 do begin p : = 1; for j : = 1 to 10 do p : = p * a[i, j]; writeln(p: 25: 0); end; end.

program msd; uses crt; var a,l,proiz,b,i: longint; beginclrscr; readln(a); proiz: =1; while true do beginl: =a mod 10; a: = a div 10; if odd(l) = true thenproiz: =proiz*lelseb: =b+1; i: =i+1; if a = 0 then break; end; if b = i then writeln('0')elsewriteln(proiz); if (proiz> 99) and (proiz< 1000) then writeln('da')else writeln('net'); readkey; end.