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a guest Sep 16th, 2019 100 Never
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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.    int n, v[201],ok,c,i,d;
  9.     cin>>n;
  10.        for(i=1;i <=n;i++)
  11.         cin>>v[i];
  12.         c=0;
  13.        for (i=1;i <=n;i++){
  14.         ok=1;
  15.          if (v[i]==0||v[i]==1)
  16.         ok=1;
  17.         int x = sqrt(v[i]);
  18.         if(v[i]%2 == 1){
  19.          for (d=3;d<=x;d+=2){
  20.           if (v[i]%d == 0){
  21.             ok=0;
  22.           }
  23.          }
  24.         }
  25.         else{
  26.            ok=0;
  27.         }
  28.         if (ok == 1)
  29.         c++;
  30.      }
  31.     if (c==0)
  32.         cout <<"NU";
  33.      else
  34.         cout <<"DA";
  35.    return 0;
  36. }
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