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Nov 13th, 2019
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  1. #include <fstream>
  2. using namespace std;
  3. ifstream f("graf.txt");
  4. ofstream g("lant.txt");
  5. int n,i,j,a[50][50],k,nod[100],ok;
  6. int main()
  7. {
  8. f>>n;
  9. for(i=1;i<=n;i++)
  10. for(j=1;j<=n;j++)
  11. f>>a[i][j];
  12. f>>k;
  13. for(i=1;i<=k;i++) f>>nod[i];
  14. ok=1;
  15. for(i=1;i<k;i++)
  16. if(a[nod[i]][nod[i+1]]==0) ok=0;
  17. if(ok) g<<"DA";
  18. else g<<"NU";
  19. f.close();g.close();
  20. return 0;
  21. }
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