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lelbaba

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Mar 31st, 2020
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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. bool taken[21];
  4. vector <char> V;
  5. int pos=1;
  6. int n;
  7. void generate(int i)
  8. {
  9. for(int j=0;j<=n;j++)
  10. {
  11. if(taken[j]==0)
  12. {
  13. taken[j]=1;
  14. cout<<j;
  15. if(i==n)
  16. {
  17. cout <<endl;
  18. //return;
  19. }
  20. generate(i+1);
  21. taken[j]=0;
  22. }
  23. }
  24. }
  25. int main()
  26. {
  27. memset(taken,0,sizeof(taken));
  28. n=2;
  29. generate(0);
  30. return 0;
  31. }
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