Untitled

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
double GitlerLox_StalinNeplox(double a, double b , double c) {
	double D =  b*b + 4 * a * c;
	int g;
	if (D > 0) g = 2;
	else if (D == 1) g = 1;
	else g = 0;
	return g;
}
int main() {
	double a, b, c;
	cin >> a >> b >> c;
	cout << "уравнение имеет " << GitlerLox_StalinNeplox(a, b, c) << " корней";
}