Const n=5; var a:array[1..n,1..n] of integer; i,j,c:integer; begin Randomize; writeln('Исходный массив:'); for i:=1 to n do begin for j:=1 to n do begin a[i,j]:=random(50); write(a[i,j]:4); end; writeln; end; for j:=1 to n do begin c:=a[1,j]; a[1,j]:=a[n,j]; a[n,j]:=c; end; writeln('Полученный массив:'); for i:=1 to n do begin for j:=1 to n do write(a[i,j]:4); writeln; end; end.