Var a : Integer;
s : Set of Byte;
Begin
s:=[];
Readln(a);
Repeat
If (a mod 10) in s then Write(a mod 10:2) else Include(s,a mod 10);
a:=a div 10;
Until a=0;
Writeln;
end.
Program z1;
var x,y:integer;
begin
writeln('введите координаты');
readln(x,y);
if (x>0) and (y>0) then writeln('1')
else
if (x>0) and (y<0) then writeln('4')
else
if (x<0) and (y>0) then writeln('2')
else writeln('3');
end.
26+26 вроде так...........................