for i: =1 to n do (n-колличество членов, вводится с клавиатуры)
begin
k: =k*i;
f: =k;
sumf: =sumf+1/f;
end;
(while)
function sumw(i: integer): real;
begin
k: =1;
i: =1;
sumw: =1;
while i< =n do
begin
k: =k*i;
f: =k;
sumw: =sumw+1/f;
end;
(repeat)
function sumr(i: integer): real;
begin
k: =1;
i: =1;
sumr: =1;
repeat
k: =k*i;
f: =k;
sumr: =sumr+1/f;
i: =i+1
until i< n;
Ответ дал: Гость
var a: integer; c1, c2, c3, c4: integer;
begin for a : = 1000 to 9999 do begin c1 : = a div 1000; c2 : = (a div 100) mod 10; c3 : = (a div 10) mod 10; c4 : = a mod 10; if (c1 < > c2) and (c1 < > c3) and (c1 < > c4) and (c2 < > c3) and (c2 < > c4) and (c3 < > c4) then writeln(a); end; end.
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