45 lines
1017 B
C++
45 lines
1017 B
C++
#include <iostream>
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#include <iomanip>
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using namespace std;
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class FunkcjaKwadratowa {
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float a, b, c;
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float delta;
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public:
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void podajDane(float a, float b, float c) {
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this->a = a;
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this->b = b;
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this->c = c;
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this->delta = (b * b) - (4 * a * c);
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}
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void rownanie() {
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cout << setprecision(2) << fixed;
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if (delta < 0) cout << "Brak pierwiastkow" << endl;
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else if (delta == 0) {
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float x = -b / (2 * a);
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cout << "1 pierwiastek: x = " << x << endl;
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}
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else {
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float x1, x2;
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float sq = sqrt(delta);
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x1 = (-b - sq) / (2 * a);
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x2 = (-b + sq) / (2 * a);
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cout << "2 pierwiastki: x1 = " << x1 << ", x2 = " << x2 << endl;
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}
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}
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void wypisz() {
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cout << "Rownanie: " << a << "x^2 + " << b << "x + " << c << " = 0" << endl;
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}
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};
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int main()
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{
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FunkcjaKwadratowa q;
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q.podajDane(4, 4, 1);
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q.wypisz();
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q.rownanie();
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} |