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Feb 18th, 2018
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  1. #include <iostream>
  2. using namespace std;
  3. const int N=200;
  4. int v[N];
  5. int main(){
  6. int n, C, r;
  7. cin>>n;
  8. C=0;
  9. for(int i=0; i<n; i++)
  10. cin>>v[i];
  11. for(int i=0; i<n; i++){
  12. do{
  13. r=v[n-1]%v[i];
  14. v[n-1]=v[i];
  15. v[i]=r;
  16. } while(r!=0);
  17. if(v[n-1]==1)
  18. C++;
  19. }
  20. cout<<C;
  21. return 0;
  22. }
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