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P15_IIIT.cpp
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#include<cmath>
#include<algorithm>
#include<iostream>
using namespace std;
int main()
{ int n;
cin>>n;
int a[n];
for(int i=0; i<n; i++)
a[i]=i+1;
//cin>>a[i];
int c[n], j=0, i=0, l=pow(3,n);
int *sum;
sum=(int *)malloc(sizeof(int)*(l+1));
*(sum+j)=0;
for(i=0; i<n; i++)
{ c[i]=-1;
*(sum+j)-=a[i];
//cout<<*(sum+j);
}
//cout<<*(sum+j);
int z=l;
while(c[n-1]<=1)
{ i=0;
while(c[i]<1)
{ *(sum+j)=a[i]+*(sum+j-1);
c[i]++; j++;
//cout<<c[2]<<' '<<c[1]<<' '<<c[0]<<endl;
cout<<*(sum+j)<<endl;
}
while(c[i]>=1)
{ if(i==n-1 && c[i]==1)
{ c[i]++;
break;
}
c[i]=-1;
if(!(*(sum+j)))
*(sum+j)=*(sum+j-1)-2*a[i];
else
*(sum+j)-=2*a[i];
i++;
}
//cout<<i;
c[i]++;
if(!*(sum+j))
*(sum+j)=*(sum+j-1)+a[i];
else
*(sum+j)+=a[i];
}
int q;
/*cin>>q;
while(q--)
{ int k;
cin>>k;
if(find(sum, sum+z, k)==1)
cout<<"YES"<<endl;
else
cout<<"NO"<<endl;
}*/
for(i=0; i<z; i++)
cout<<*(sum+i)<<endl;
return 0;
}