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#include <cmath> #include <iostream> using namespace std; int main() { float a, b, c, x, xx, D; cin >> a>> b>> c; D = b * b - 4 * a * c; if (D < 0)cout << "NO"; else if (D == 0) { x = -b / (a * 2); cout << x; } else { x = (-b - sqrt(D))/(2 * a); xx = (-b + sqrt(D)) / (2 * a); cout << x <<"\n"<<xx; } }
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