#include <iostream>
#include <vector>
bool is_prime(int n){ // standardul IEEE 754 nu garanteaza numerele reale precise...
n = std::abs(n);
for(int L = n/2, i = 2; i <= L; ++i)
if(!(n % i))
return false;
return true;
}
int main(){
std::vector<float> vec;
float mx = 0;
int n, fr = 0;
std::cout << "Introduceti marimea n: ";
std::cin >> n;
vec.resize(n);
std::cout << "Introduceti valorile:\n";
for(int i = 0; i < n; ++i){
std::cin >> vec[i];
if(vec[i] == mx)
++fr;
else if(is_prime(vec[i]) && mx < vec[i]){
mx = vec[i];
fr = 1;
}
}
std::cout << "Numarul de aparitii al celui mai mare numar prim (numarul maxim ";
switch(fr){
case 0:
std::cout << "indefinit)\n";
break;
default:
std::cout << mx << "): " << fr << '\n';
}
return 0;
}
