Untitled

#include <iostream>
using namespace std;

int main()
{
    int a;
    int b;
    int c;
    cin >> a;
    cin >> b;
    cin >> c;
    int d = b * b - 4 * a * c;
    if (d == 0) {
        cout << 1;
    }
    if (d > 0) {
        cout << 2;
   }
    if (d < 0) {
        cout << 0;
    }
}