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a53

numere1234

a53
Oct 12th, 2021
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0
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  1. #include <iostream>
  2. using namespace std;
  3. int n,X[12],F[5],m;
  4.  
  5. void afisare()
  6. {
  7. for(int i=1;i<=m;++i)
  8. cout<<X[i];
  9. cout<<'\n';
  10. }
  11.  
  12. void back(int k)
  13. {
  14. for(int i=1;i<=n;++i)
  15. if(F[i])
  16. {
  17. X[k]=i;
  18. --F[i];
  19. if(k==m)
  20. afisare();
  21. else
  22. back(k+1);
  23. ++F[i];
  24. }
  25. }
  26.  
  27. int main()
  28. {
  29. cin>>n;
  30. for(int i=1;i<=n;++i)
  31. F[i]=i;
  32. m=n*(n+1)/2;
  33. back(1);
  34. return 0;
  35. }
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