main.cpp

易学c++源码

#include "iostream.h"
void calculate(double a1,double b1,double c1,double a2,double b2,double c2);
void main()
{
	calculate(1,2,3,1,1,2);
	calculate(2,4,8,1,3,5);
	calculate(1,1,2,3,3,6);
}
void calculate(double a1,double b1,double c1,double a2,double b2,double c2)
{
	double d=a1*b2-a2*b1;
	double e=a1*c2-a2*c1;
	double f=c1*b2-c2*b1;
	if (d==0)
	{
		cout <<"ERROR!" <<endl;
		return;
	}
	cout <<e/d <<endl;
	cout <<f/d <<endl;
}