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#include <iostream> using namespace std; int main() { float a, b, c; cin >> a >> b >> c; float d = b * b - 4 * a * c; if (d == 0) cout << 1; else if (d > 0) cout << 2; else cout << 0; }
#include <iostream> using namespace std; int main() { float a, b, c; cin >> a >> b >> c; float d = b * b - 4 * a * c; if (d == 0) cout << 1; else if (d > 0) cout << 2; else cout << 0; }