program shizik1;
uses crt;
var
n, i, j, max: integer;
a: array [1 .. 20, 1 .. 20] of integer;
begin
clrscr;
write('n=');
readln(n);
randomize;
for i := 1 to n do
begin
for j := 1 to n do
begin
a[i, j] := random(20);
write(a[i, j]:3);
end;
writeln;
end;
readln;
max := a[2, 1];
for i := 2 to n do
for j := 1 to i - 1 do
if a[i, j] > max then
begin
max := a[i, j];
end;
write('max=', max);
readln;
end.