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Nov 22nd, 2019
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  1. #include <iostream>
  2. using namespace std;
  3. int sol[15], a, b, n;
  4. void afisare(int k)
  5. {
  6. for(int i=1; i<=k; i++)
  7. cout<<sol[i];
  8. cout<<endl;
  9. }
  10. void backtr(int k)
  11. {
  12. for(int i=a; i<=b; i++)
  13. {
  14. sol[k]=i;
  15. if(k==n)
  16. afisare(k);
  17. else
  18. backtr(k+1);}
  19. }
  20. int main()
  21. {
  22. cin>>a;
  23. cin>>b;
  24. cin>>n;
  25. backtr(1);
  26. return 0;
  27. }
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