a53

back_abc1

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