const
n=10;
var
a:array[1..n,1..n] of integer;
i,j,x:integer;
begin
for i:=1 to n do
begin
for j:=1 to n do
begin
a[i,j]:=random(40);
write(' ',a[i,j]:3);
end;
writeln();
end;
writeln('--------') ;
For i:=1 to n do
For j:=i+1 to n do begin
x:=a[i,j];
a[i,j]:=a[j,i];
a[j,i]:=x;
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.