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Feb 22nd, 2019
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. int n,m,i,j,x,y,k,a[105][105];
  5. int main()
  6. {
  7. cin>>n>>m;
  8. for(i=1;i<=m;++i)
  9. {
  10. cin>>x>>y;
  11. a[x][y]=1;
  12. }
  13. for(i=1;i<=n;++i)
  14. for(j=1;j<=n;++j)
  15. for(k=1;k<=n;++k)
  16. if((a[i][j]==1 || a[j][i]==1 ) && (a[k][j]==1 || a[j][k]==1 ) && (a[k][i]==1 || a[i][k]==1) )
  17. cout<<i<<" "<<j<<" "<<k<<endl;
  18. return 0;
  19. }
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