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#include <iostream>
using namespace std;
int main()
{
setlocale(LC_ALL, "russian");
float a, b, c;
int d;
cout << "Введти A:"; cin >> a;
cout << "Введти B:"; cin >> b;
cout << "Введти C:"; cin >> c;
d = (b * b) - 4 * a * c;
if (d == 0) {
cout << 1;
}
if (d > 0) {
cout << 2;
}
if(d<0) {
cout << "Не имеет корней.";
}
return 0;
}
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