var a:array[1..10,1..10] of integer;
    m,n,i,j,k,x:integer;
begin
repeat
writeln('Введите размеры матрицы m,n от 2 до 10');
readln(m,n);
until(m in [2..10])and(n in [2..10]);
randomize;
writeln('Исходная матрица');
for i:=1 to m do
 begin
  for j:=1 to n do
   begin
    a[i,j]:=random(21);
    write(a[i,j]:3);
   end;
   writeln;
  end;
for i:=1 to m do
for j:=1 to n-1 do
for k:=j+1 to n do
if a[i,j]<a[i,k] then
 begin
  x:=a[i,j];
  a[i,j]:=a[i,k];
  a[i,k]:=x;
 end;
writeln('Строки матрицы отсортированы');
for i:=1 to m do
 begin
  for j:=1 to n do
  write(a[i,j]:3);
  writeln;
 end;
end.