Ответ:

program z1;

const n=4;

var a : array [1..n,1..n] of integer;

i,j,s1,s2:integer;

begin

for i:=1 to n do

begin

for j:=1 to n do

begin

a[i,j]:=random(90)+10;

write(a[i,j]:4);

if i mod 2 <> 0 then s1:=s1+a[i,j]

else s2:=s2+a[i,j]

end;

writeln

end;

writeln(s1,'   ',s2);

end.