range based for loop

#include <vector>
using namespace std;

int count_divisible() {
   
    vector<int> vec {1,3,5,15,16,17,18,19,20,21,25,26,27,30,50,55,56,58,100,200,300,400,500,600,700};
    //---- WRITE YOUR CODE BELOW THIS LINE----
    int count{0};
    for(auto num:vec){
        count += ((!(num%3)||!(num%5))? 1: 0);
    }
   
   
    //---- WRITE YOUR CODE ABOVE THIS LINE----
    //---- DO NOT CHANGE THE CODE BELOW THIS LINE----
    return count;
}