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- #include <fstream>
- using namespace std;
- ifstream fin("gengraf.in");
- ofstream fout("gengraf.out");
- int a[101][101],k,x[1023],n,p=1;
- void afisare(int k)
- {
- int c=1;
- /*for(int i=1;i<=k;i++)
- fout<<x[i]<<" ";
- fout<<endl;*/
- for(int i=1;i<=n;i++)
- for(int j=1;j<=n;j++)
- if(i<j)
- a[i][j]=a[j][i]=x[c++];
- // fout<<endl; fout<<endl;
- for(int i=1;i<=n;i++,fout<<endl)
- for(int j=1;j<=n;j++)
- fout<<a[i][j]<<" ";
- fout<<endl;
- }
- void back(int k)
- {
- for(int i=0;i<=1;i++)
- {
- x[k]=i;
- if(n*(n-1)/2==k)
- afisare(k);
- else
- back(k+1);
- }
- }
- int main()
- {
- fin>>n;
- for(int i=1;i<=(n-1)*n/2;i++)
- p=p*2;
- fout<<p<<endl;
- back(1);
- return 0;
- }
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