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a53

LaScoala

a53
Jan 12th, 2020
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0
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  1. #include <iostream>
  2. using namespace std;
  3. int n,p,k,ok;
  4.  
  5. int main()
  6. {
  7. int i;
  8. cin>>n;
  9. k=n;
  10. ok=1;
  11. while(ok)
  12. {
  13. --k;
  14. for(i=1;i*i<=k&&ok;++i)
  15. if(i*i==k)
  16. p=i,ok=0;
  17. }
  18. cout<<n-k<<'\n';
  19. i=k;
  20. while(i)
  21. {
  22. if(i%p==0&&i!=k)
  23. cout<<'\n';
  24. cout<<i<<' ';
  25. --i;
  26. }
  27. return 0;
  28. }
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