Created
July 12, 2021 17:26
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#include <iostream> | |
#include <math.h> | |
#include <stdlib.h> | |
using namespace std; | |
class perskuadrat{ | |
friend ostream& operator<<(ostream&, perskuadrat&); | |
friend istream& operator>>(istream&, perskuadrat&); | |
private: | |
int a, b, c; | |
float x1, x2, D; | |
public: | |
}k; | |
istream& operator>>(istream&nilai, perskuadrat&kuadrat){ | |
cout<<"Masukkan nilai a = "; nilai>>kuadrat.a; | |
cout<<"\nMasukkan nilai b = "; nilai>>kuadrat.b; | |
cout<<"\nMasukkan nilai c = "; nilai>>kuadrat.c; | |
system("CLS"); | |
return nilai; | |
} | |
ostream& operator<<(ostream&nilai, perskuadrat&persamaan){ | |
persamaan.D=((persamaan.b*persamaan.b)-4*(persamaan.a*persamaan.c)); | |
if (persamaan.a==0){ | |
nilai<<"Bukan Persamaan Kuadrat"; | |
} | |
else if (persamaan.D>0){ | |
persamaan.x1=((-persamaan.b)+(sqrt(persamaan.D)))/(2*persamaan.a); | |
persamaan.x2=((-persamaan.b)-sqrt(persamaan.D))/(2*persamaan.a); | |
nilai<<"persamaan kuadrat ("<<persamaan.a<<"x^2 + "<<persamaan.b<<"x +"<<persamaan.c<<" mempunyai akar-akar yang berbeda yaitu : \n\n"; | |
nilai<<"X1 = "<<persamaan.x1<<endl; | |
nilai<<"X2 = "<<persamaan.x2<<endl; | |
} | |
else if (persamaan.D==0){ | |
persamaan.x1=(-persamaan.b)/(2*persamaan.a); | |
persamaan.x2=persamaan.x1; | |
nilai<<"persamaan kuadrat "<<persamaan.a<<"x^2 + "<<persamaan.b<<"x +"<<persamaan.c<<" mempunyai akar-akar kembar yaitu : \n\n"; | |
nilai<<"X1 = "<<persamaan.x1<<endl; | |
nilai<<"X2 = "<<persamaan.x2<<endl; | |
} | |
else { nilai<<"Akar Imaginer"; | |
} | |
} | |
int main() { | |
system("color f1"); | |
cout<<"=========================================\n"; | |
cout<<"| PROGRAM PERSAMAAN KUADRAT |\n"; | |
cout<<"=========================================\n\n"; | |
cin>>k; | |
cout<<k; | |
} |
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