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Cod sursa(job #168967)
var n,i,j,k,n1,n2,d:longint;
v1,v2:array [1..1000000] of longint;
begin
assign(input,'multimi2.in'); reset(input);
assign(output,'multimi2.out'); rewrite(output);
readln(n);
case n mod 4 of
0:begin
d:=0; n1:=n div 2; n2:=n div 2;
for i:=1 to n do
if (i mod 4=0) or ((i-1) mod 4=0) then begin
inc(j); v1[j]:=i;
end
else begin
inc(k); v2[k]:=i;
end;
end;
1:begin
d:=1; n1:=n div 2+1; n2:=n div 2; v1[1]:=1; j:=1;
for i:=2 to n do
if ((i-2) mod 4=0) or ((i-1) mod 4=0) then begin
inc(j); v1[j]:=i;
end
else begin
inc(k); v2[k]:=i;
end;
end;
2:begin
d:=1; n1:=n div 2; n2:=n div 2; v1[1]:=1; v2[1]:=2; j:=1; k:=1;
for i:=3 to n do
if ((i-2) mod 4=0) or ((i-3) mod 4=0) then begin
inc(j); v1[j]:=i;
end
else begin
inc(k); v2[k]:=i;
end;
end;
3:begin
d:=0; n1:=n div 2+1; n2:=n div 2; v1[1]:=1; v1[2]:=2; v2[1]:=3; j:=2; k:=1;
for i:=4 to n do
if ((i-3) mod 4=0) or (i mod 4=0) then begin
inc(j); v1[j]:=i;
end
else begin
inc(k); v2[k]:=i;
end;
end;
end;
writeln(d);
writeln(n1);
for i:=1 to j do write(v1[i],' ');
writeln;
writeln(n2);
for i:=1 to k do write(v2[i],' ');
writeln;
end.