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_Sarvar_

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Feb 25th, 2020
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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int n;
  6. int doska[10];
  7. void add(int v);
  8. void dell(int v)
  9. {
  10. if(v == 1)
  11. {
  12. cout << "-1 ";
  13. }
  14. else
  15. {
  16. add(v - 1);
  17. cout << "-" << v << " ";
  18. dell(v - 1);
  19. }
  20. }
  21. void add(int v)
  22. {
  23. if(v == 1)
  24. {
  25. cout << "1 ";
  26. }
  27. else
  28. {
  29. add(v - 1);
  30. cout << v << " ";
  31. dell(v - 1);
  32. }
  33. }
  34.  
  35. int main() {
  36. cin >> n;
  37. for(int i = n; i >= 1; i--)
  38. add(i);
  39. return 0;
  40. }
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