【C语言训练】素数问题

1 #include <iostream>
2 #include <cmath>
3 using namespace std;
4 int main()
5 {
6     int i, n;
7     while (cin>>n)
8     {
9         for (i = 2; i <= sqrt(n); i++)
10         {
11             if (n % i == 0)
12             {
13                 cout<<"0"<<endl;
14                 break;
15             }
16             else
17             {
18                 cout<<"1"<<endl;
19                 break;
20             }
21         }
22     }
23     return 0;
24 }