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Cod sursa(job #933142)
#include<fstream>
using namespace std;
ifstream fin("multimi2.in");
ofstream fout("multimi2.out");
const int MAXN = 1000001;
int n, sum, a;
bool v[MAXN];
int main()
{
int i, aux;
fin >> n;
aux = n;
sum = n*(n+1)/2;
if(sum%2 == 0)
{
sum/= 2;
fout << 0 << "\n";
}
else{
sum/= 2;
fout << 1 << "\n";
}
while(sum != 0)
{
if(aux <= sum)
{
v[aux] = 1;
sum-= aux;
a++;
}
aux--;
}
fout << a << "\n";
for(i=1; i<=n; ++i)
if(v[i] == 1)
fout << i << " ";
fout << "\n" << n-a << "\n";
for(i=1; i<=n; ++i)
if(v[i] == 0)
fout << i << " ";
fin.close();
fout.close();
return 0;
}