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Feb 21st, 2020
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  1. int valid (int k)
  2. {
  3. for(int i=1;i<k;i++)
  4. if(s[i]==s[k])
  5. return 0;
  6. return 1;
  7. }
  8. int solutie(int k)
  9. {
  10. return k==n;
  11. }
  12. void afisare(int k)
  13. {
  14. for(int i=1;i<=k;i++)
  15. cout<s[i]<<" ";
  16. cout<<endl;
  17. }
  18. void back(int k)
  19. {
  20. for(int val=1;val<=n;v++)
  21. {
  22. s[k]=val;
  23. if(valid(k))
  24. if(solutie(k))
  25. afisare(k);
  26. else
  27. back(k+1);
  28. }
  29. }
  30. int main()
  31. {
  32. cin>>n;
  33. back(1);
  34. }
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