Const
   N = 13;
Var
   A:array[1..N] of integer;
   i,j,k:integer;
Begin
Randomize;
WriteLn('Исходный массив:');
For i:= 1 to N do
    Begin
    A[i]:=random(21)-10;
    Write(A[i]:4)
    End;
WriteLn;
Write('Перестановки:');
k:=N;
i:=1;
Repeat
if A[i]<0 then
   Begin
   While A[k]<0 do
      k:=k-1;
   if k>i then
      Begin
      Swap(A[i],A[k]);
      k:=k-1;
      WriteLn;
      For j:= 1 to N do
          Write(A[j]:4)
      End
   End;
i:=i+1
Until i>=k;
i:=1;
Repeat
if A[i]=0 then
   Begin
   While A[k]<=0 do
      k:=k-1;
   if k>i then
      Begin
      Swap(A[i],A[k]);
      k:=k-1;
      WriteLn;
      For j:= 1 to N do
          Write(A[j]:4)
      End
   End;
i:=i+1
Until i>k;
End.



Const
   N = 2;
Var
   A:array[1..N,1..N] of integer;
   i,j,m,iMin,jMin,iMin2,jMin2:integer;
Begin
Randomize;
WriteLn('Исходная матрица:');
For i:= 1 to N do
    Begin
    For j:= 1 to N do
        Begin
        A[i,j]:=random(21)-10;
        Write(A[i,j]:3,' ')
        End;
    WriteLn;
    End;
iMin:=1;
jMin:=1;
For i:= 1 to N do
    For j:= 1 to N do
        if A[iMin,jMin]>A[i,j] then
           Begin
           iMin:=i;
           jMin:=j;
           End;
Swap(A[N,1],A[iMin,jMin]);
For m:= 1 to N-1 do
    Begin
    iMin2:=1;
    jMin2:=1;
    For i:= 1 to N do
        For j:= 1 to N do
            if (A[i,j]<=A[iMin2,jMin2])and(A[i,j]>=A[N-m+1,m])and((i<>N-m+1)or(j<>m)) then
               Begin
               iMin2:=i;
               jMin2:=j;
               End;
    Swap(A[N-m,m+1],A[iMin2,jMin2]);
    End;
WriteLn;
WriteLn('Результирующая матрица:');
For i:= 1 to N do
    Begin
    For j:= 1 to N do
        Write(A[i,j]:3,' ');
    WriteLn;
    End;
End.