Program n1;
const n=15;
var a: array [1..n] of integer;
i,rnd: integer;
begin
randomize;
for i:=1 to n do
begin
rnd:=random(21)-10;
if (i mod 2=0) and (rnd<0) then a[i]:=rnd;<br>if (i mod 2<>0) and (rnd>0) then a[i]:=rnd;
end;
for i:=1 to n do write(a[i],' ');
end.