Program lab4_16;
uses crt;
var i,j,n,m,k,x:integer;
fl:boolean;
a:array [1..20,1..20]of integer;
b:array [1..400]of integer;
begin
writeln('Размер матрицы m,n:');
readln(m,n);
writeln('Массив:');
for i:=1 to m do
begin
for j:=1 to n do
begin
a[i,j]:=random(20);
write(a[i,j]:4);
end;
writeln;
end;
x:=1;
b[x]:=a[1,1];
for i:=1 to m do
for j:=1 to n do
begin
fl:=true;
for k:=1 to x do
if a[i,j]=b[k] then fl:=false;
if fl then
begin
x:=x+1;
b[x]:=a[i,j];
end;
end;
writeln('Всего разных элементов=',x);
for i:=1 to x do
write(b[i],' ');
end.