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a53

ProdImpare

a53
Dec 6th, 2021
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0
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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. int n,nr=1;
  7. unsigned long long int p=1;
  8. cin>>n;
  9. for(int i=1;i<n;++i)
  10. nr+=2,p*=nr;
  11. cout<<p<<'\n';
  12. return 0;
  13. }
  14.  
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