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Cod sursa(job #110055)
var fi,fo:text;
n,rez1,rez2,nr:int64;
aux,i:longint;
sol1,sol2:array[1..1000000]of longint;
ct1,ct2:longint;
begin
assign(fi,'multimi2.in'); reset(fi);
assign(fo,'multimi2.out'); rewrite(fo);
read(fi,n);
nr:=n*(n+1) shr 1;
ct1:=0; ct2:=0;
if nr and 1=1 then
begin
rez1:=(nr-1) shr 1 + 1;
rez2:=(nr-1) shr 1;
end
else
begin
rez1:=nr shr 1;
rez2:=nr shr 1;
end;
writeln(fo,rez1-rez2);
for i:=n downto 1 do
begin
if (rez1-i)<=0 then begin inc(ct1); sol1[ct1]:=rez1; aux:=rez1; break; end;
inc(ct1);
sol1[ct1]:=i;
rez1:=rez1-i;
end;
for i:=1 to n-ct1+1 do
if i<>aux then
begin
inc(ct2);
sol2[ct2]:=i;
end;
writeln(fo,ct1);
for i:=ct1 downto 1 do
write(fo,sol1[i],' ');
writeln(fo);
writeln(fo,ct2);
for i:=1 to ct2 do
write(fo,sol2[i],' ');
close(fi);
close(fo);
end.