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pula

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Dec 3rd, 2019
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int a[101][101],n,i,j;
  6.  
  7. int main()
  8. {
  9. cin>>n;
  10. bool ok=1;
  11. for(i=1;i<=n;i++)
  12. for(j=1;j<=n;j++)
  13. cin>>a[i][j];
  14. for(i=1;i<=n;i++)
  15. for(j=1;j<=n;j++)
  16. if(a[i][j]!=0 && a[i][j]!=1)
  17. ok=0;
  18. for(i=1;i<=n;i++)
  19. for(j=1;j<=n;j++)
  20. if(a[i][j]!=a[j][i])
  21. ok=0;
  22. for(int i=1;i<=n;i++)
  23. if(a[i][i]!=0)
  24. ok=0;
  25. if(ok==0)
  26. cout<<0;
  27. else
  28. cout<<1;
  29.  
  30. return 0;
  31. }
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