const
n = 10;
var
a: array [1 .. n, 1 .. n] of integer;
i, j: integer;
begin
for i := 1 to n do
begin
for j := 1 to n do
begin
a[i, j] := 20 - random(40);
write(' ', a[i, j]:3);
end;
writeln();
end;
writeln('--------');
for i := 1 to n do
for j := 1 to n do
begin
if a[i, j] < 0 then
a[i, j] := 0
else if a[i, j] > 0 then
a[i, j] := 1;
end;
writeln('--------');
for i := 1 to n do
begin
for j := 1 to n do
begin
write(' ', a[i, j]:3);
end;
writeln();
end;
end.