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  1. #include <iostream>
  2. using namespace std;
  3. int gcd(int a,int b){
  4.     if(b==0){
  5.         return a;
  6.     }
  7.  
  8.     return gcd(b,a%b);
  9.  
  10. }
  11. int main() {
  12.     int n;
  13.     cin>>n;
  14.     int *a=new int[n];
  15.     int hcf;
  16.     for(int i=0;i<n;i++){
  17.         cin>>a[i];
  18.     }
  19.     for(int i=0;i<n-1;i++){
  20.         hcf=gcd(a[i],a[i+1]);
  21.  
  22.     }
  23.     cout<<hcf;
  24.     return 0;
  25.  
  26. }
  27.  
Success #stdin #stdout 0s 4404KB
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https://ideone.com/Gs2MOE
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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