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Cod sursa(job #280257)
#include<fstream.h>
ifstream fin("multimi2.in");
ofstream fout("multimi2.out");
long n,d,c,s,i;
int main()
{fin>>n;
if (n%2) {d=n/2+1;
c=d/2; if (c%2)
{if (d>2*c) d=d-2*c;
else d=2*c-d;
fout<<d<<'\n';
fout<<n/2<<'\n';
for (i=0;i<=n/2;i++)
if (2*i+1!=c) fout<<2*i+1<<' ';
fout<<'\n';
fout<<n/2+1<<'\n';
fout<<c<<' ';
for (i=1;i<=n/2;i++)
fout<<2*i<<' ';}
else
{fout<<0<<'\n';
fout<<n/2-1<<'\n';
for (i=1;i<=n/2;i++)
if (2*i+1!=c-1) fout<<2*i+1<<' ';
fout<<'\n';
fout<<n/2+2<<'\n';
fout<<1<<' '<<c-1<<' ';
for (i=1;i<=n/2;i++)
fout<<2*i<<' ';
}}
else
{d=n/2;
c=d/2; if (!(c%2))
{if (d>2*c) d=d-2*c;
else d=2*c-d;
fout<<d<<'\n';
fout<<n/2+1<<'\n';
fout<<c<<' ';
for (i=0;i<n/2;i++)
fout<<2*i+1<<' ';
fout<<'\n'; fout<<n/2-1<<'\n';
for (i=1;i<=n/2;i++)
if (2*i!=c) fout<<2*i<<' ';}
else
{fout<<0<<'\n';
fout<<n/2<<'\n';
fout<<c+1<<' ';
for (i=1; i<=n/2-1;i++)
fout<<2*i+1<<' ';
fout<<'\n';
fout<<n/2<<'\n';
fout<<1<<' ';
for (i=1;i<=n/2;i++)
if (2*i!=c+1) fout<<2*i<<' ';
}}
fout.close();
return 0;}