Вывести самую нижнюю строку матрицы в обратном порядке - Turbo Pascal

procedure M2MS;
var i, j, k: integer;
begin
  k := 1;
  for i:=N downto 1 do
    for j:=N downto 1 do begin
      MS[k] := M[i, j];
      k := k + 1;
    end;
end;

Program Matrix;
Uses Crt;
Var M: array [1..15, 1..15] of Integer;
    N: Integer;
    MS: array [1..225] of Integer;
    min, max: Integer;

function InputN: Integer;
var n: integer;
    check: boolean;
begin
  repeat
    writeln('Vvedite razmernost matricy (®Ot 5 do 15)');
    readln(n);
    if (n >= 5) and (n <= 15) then check := true
    else check := false;
  until check;
  InputN := n;
end;

procedure RandomMatrix(a, b: integer);
var i, j: integer;
begin
  randomize;
  for i:=1 to N do
    for j:=1 to N do
      M[i, j] := a + random(b-a+1);
end;

procedure WriteMatrix;
var i, j: integer;
begin
  for i:=1 to N do begin
    for j:=1 to N do write(M[i, j]:5);
    writeln;
  end;
end;

procedure Exchange;
var i, j, mx, x: integer;
begin
  mx := N div 2;
  for i:=1 to mx do
    for j:=1 to (mx-i+1) do begin
      x := M[N-mx+i, N-mx+j];
      M[N-mx+i, N-mx+j] := M[j, N-i+1];
      M[j, N-i+1] := x;
    end;
end;

procedure WriteColoredMatrix;
var i, j, mx: integer;
begin
  mx := N div 2;
  for i:=1 to N do begin
    for j:=1 to N do begin
      TextColor(LightGray);
      if (i <= mx) and (j >= (N-mx+1)) then begin
        if j >= (N-mx+i) then TextColor(Yellow);
      end else if (i >= (N-mx+1)) and (j >= (N-mx+1)) then begin
        if j <= (2*N-i-mx+1) then TextColor(Red);
      end;
      write(M[i, j]:5);
    end;
    writeln;
  end;
  TextColor(LightGray);
end;

procedure M2MS;
var i, j, k: integer;
begin
  k := 1;
  for i:=N downto 1 do
    for j:=N downto 1 do begin
      MS[k] := M[i, j];
      k := k + 1;
    end;
end;

procedure WriteMatrixString;
var i: integer;
begin
  TextColor(Green);
  for i:=1 to sqr(N) do write(MS[i]:5);
  writeln;
  TextColor(LightGray);
end;

procedure SortVozrast;
var i, j, m: integer;
begin
  for i:=1 to sqr(N)-1 do begin
    m := i;
    for j:=i+1 to sqr(N) do
      if MS[j] < MS[m] then m := j;
    if m <> i then begin
      j := MS[i];
      MS[i] := MS[m];
      MS[m] := j;
    end;
  end;
end;
 
procedure SortUbyv;
var i, j, m: integer;
begin
  for i:=1 to sqr(N)-1 do begin
    m := i;
    for j:=i+1 to sqr(N) do
      if MS[j] > MS[m] then m := j;
    if m <> i then begin
      j := MS[i];
      MS[i] := MS[m];
      MS[m] := j;
    end;
  end;
end;
 
procedure FindMinMax;
var i, j, mx: integer;
    check: boolean;
begin
  min := M[1, 1];
  max := M[1, 1];
  mx := N div 2;
  for i:=1 to N do
    for j:=1 to N do begin
      check := true;
      if (i <= mx) and (j >= (N-mx+1)) then begin
        if j >= (N-mx+i) then check := false;
      end else if (i >= (N-mx+1)) and (j >= (N-mx+1)) then begin
        if j <= (2*N-i-mx+1) then check := false;
      end;
      if check then begin
        if M[i, j] < min then min := M[i, j];
        if M[i, j] > max then max := M[i, j];
      end;
    end;
end;
 
Begin
  ClrScr;
  TextColor(White);
  writeln('========= Kursovaya rabota =========');
  writeln;
  TextColor(LightGray);
  N := InputN;
  RandomMatrix(-100, 100);
  writeln;
  writeln('Zapolnennaya matrica');
  WriteMatrix;
  writeln;
  writeln('Nazhmite lyubuyu klavishu...');
  readkey;
  Exchange;
  writeln;
  writeln('Preobrazovannaya matrica');
  WriteColoredMatrix;
  writeln;
  writeln('Nazhmite lyubuyu klavishu...');
  readkey;
  M2MS;
  writeln;
  writeln('Matrica-stroka poluchennaya obhodom');
  WriteMatrixString;
  writeln;
  writeln('Nazhmite lyubuyu klavishu...');
  readkey;
  SortVozrast;
  writeln;
  writeln('Matrica-stroka sortirovannaya po vozrastaniyu');
  WriteMatrixString;
  writeln;
  writeln('Nazhmite lyubuyu klavishu...');
  readkey;
  SortUbyv;
  writeln;
  writeln('Matrica-stroka sortirovannaya po ubyvaniyu');
  WriteMatrixString;
  writeln;
  writeln('Nazhmite lyubuyu klavishu...');
  readkey;
  writeln;
  writeln('Poisk max i min elementa v matrice');
  WriteColoredMatrix;
  FindMinMax;
  writeln;
  writeln('Minimalnyi element = ', min);
  writeln('Maximalnyi element = ', max);
  writeln;
  writeln('Nazhmite lyubuyu klavishu dlya zaversheniya programmy');
  readkey;
End.