Question

program c++
Se citesc numere narurale pana la intilnirea unui numar intreg k. Sa se afiseze media aritmetica a numerelor citite prime.

Answer 1

int a,k,i,s=0,x=0;bool ko;
cin>>k;
while(a!=k){cin>>a;ko=true;for(i=1;i<=a/2;i++) if(a%i==0){ko=false;break;}if(ko==true){s=s+a;x++}
}cout<<s/x;