var a, b, с: integer;
begin
write('Введите два числа: ');
readln(a, b);
if a < b then с := a + 1 else с := b + 1;
repeat с := с - 1
until (a mod с = 0) and (b mod с = 0);
write('NOD = ', с)
end.
//2. Алгоритм с вычитанием (цикл while)
var a, b: integer;
begin
write('a = ');
readln(a);
write('b = ');
readln(b);
while a <> b do
if a > b then
a := a - b
else
b := b - a;
writeln('NOD = ', a);
end.
a,b,i,i2:integer;
Begin
Readln(a);
b:=1;
for i:=1 to a do begin
if b mod 2 = 0 then b:=b+1;
for i2:=1 to b do if i2 mod 2 <>0 then Write(i2,' ');
b:=b+1;
Writeln();
end;
End.