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t11.p
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1980-02-17
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303b
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20 lines
program recursivegcd(output);
var
x, y, n: integer;
function gcd(m,n: integer): integer;
begin
if n=0 then
gcd := m else
gcd := gcd(n, m mod n);
end;
procedure try(a, b: integer);
begin
writeln(a, b, gcd(a, b));
end;
begin
try(18, 27);
try(312, 2142);
try(61, 53);
try(98, 868);
end.