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Mar 26th, 2019
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  1. #include <iostream>
  2. using namespace std;
  3. int sumpare(int p,int u, int v[1001])
  4. {
  5. int mij,s1,s2;
  6. if(p!=u)
  7. {
  8. mij=(p+u)/2;
  9. s1=sumpare(p,mij,v);
  10. s2=sumpare(mij+1,u,v);
  11. return s1+s2;
  12. } else if(v[p]%2==0)
  13. return v[p];
  14. else return 0;
  15. }
  16. int main()
  17. {
  18. int v[1001],n,i,s;
  19. cin>>n;
  20. for(i=1;i<=n;i++)
  21. cin>>v[i];
  22. s=sumpare(1,n,v);
  23. cout<<s;
  24. return 0;
  25. }
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