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a53

2gen

a53
Jan 18th, 2021
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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4. ifstream fin("2gen.in");
  5. ofstream fout("2gen.out");
  6. int X[11],n, m, gasit=0;
  7. void afis()
  8. {
  9. for(int i=1;i<=m;i++)
  10. fout<<X[i]<<" ";
  11. fout<<'\n';
  12. }
  13. int cond(int k)
  14. {
  15. if(k>1)
  16. {
  17. int cnt=0;
  18. for(int i=1; i<k; i++)
  19. if(X[i]==X[k])
  20. cnt++;
  21. if(cnt>1)
  22. return 0;
  23. else
  24. return 1;
  25. }
  26. return 1;
  27.  
  28. }
  29. void back(int k)
  30. {
  31. for(int i=1; i<=n;i++)
  32. {
  33. X[k]=i;
  34. if(cond(k))
  35. if(k==m) afis();
  36. else back(k+1);
  37. }
  38. }
  39.  
  40. int main()
  41. {
  42. fin>>n>>m;
  43. back(1);
  44. return 0;
  45. }
  46.  
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