Program PascalGuru;
var
s, cif: string;
cifry: array [0 .. 9] of integer;
i, j, min, otvet: integer;
esti: boolean;
begin
write('Vvedite tekst:');
readln(s);
for i := 0 to 9 do
cifry[i] := 0;
esti := false;
for i := 1 to length(s) do
for j := 0 to 9 do
begin
str(j, cif);
if s[i] = cif[1] then
begin
inc(cifry[j]);
esti := true;
end
end;
{ ------------------------------------- }
if esti then
BEGIN
for i := 0 to 9 do
if cifry[i] > 0 then
begin
min := i;
break;
end;
for i := 0 to 9 do
if cifry[i] > 0 then
if cifry[i] < cifry[min] then
min := i;
writeln('Otvet: ', min)
END
else
writeln('V tekste net tsifr...');
readln;
end.