Go: package main

import "fmt"

func main() {
	var resultX, resultY [100]float32
	var count int
	for {
		var a, b, c, d, e, f, x, y float32
		fmt.Scanf("%f %f %f %f %f %f", &a, &b, &c, &d, &e, &f)
		if a == 0 {
			break
		}
		//Simultaneous equation
		y = (((a * f) - (d * c)) / ((a * e) - (b * d)))
		x = ((c - (b * y)) / a)
		resultX[count] = x
		resultY[count] = y
		count++
	}
	for i := 0; i < count; i++ {
		fmt.Printf("%.3f %.3f\n", resultX[i], resultY[i])
	}
}

C++: #include <stdio.h>
#include <iostream>
using namespace std;

int main() {
	//ax + by = c
	//dx + ey = f

	int A, B, C, D, E ,F = 0;
	cin >> A >> B >> C >> D >> E >> F;

	int COMMON_A = D;
	int COMMON_B = A;
	
	A *= COMMON_A;
	B *= COMMON_A;
	C *= COMMON_A;
	D *= COMMON_B;
	E *= COMMON_B;
	F *= COMMON_B;

	int X,Y;
	Y = (E-B);
	if((F-C) == 0 && (E-B) < 0)
		Y = -Y;
	float y = (F-C) / (E-B);

	X = (C-B*y);

	float x;
	x = (C- B * y) / A;
	if (X == 0 && A < 0)
		x = -x;

	printf("%0.3f %0.3f\n",x,y);

	return 0;
}

C++: #include<iostream>
#include<cstdio>
using namespace std;
int main()
{
  double a,b,c,d,e,f,x,y;
  while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
    x = (c-b*(c*d-a*f)/(b*d-a*e))/a; 
    y = (c*d-a*f)/(b*d-a*e);
    if(x == -0)x = 0;
    if(y == -0)y = 0;
    scanf("%3f %3f",&x,&y);
  }
}

C++: #include <iostream>
#include <cstdio>
#include <algorithm>
#include <cmath>

using namespace std;
int main(){
    float a,b,c,d,e,f;
    while((cin>>a>>b>>c>>d>>e>>f)){
        float x = (c*e-b*f)/(a*e-b*d);
        float y = (c*d-a*f)/(b*d-a*e);
        x = round(1000*x) / 1000;
        y = round(1000*y) / 1000;
        printf("%.3f %.3f",x,y);
    }
    return 0;
}

C++: #include<iostream>
#include<cstdio>
using namespace std;

int main(){
	double a,b,c,d,e,f,m,n,y,x;
	
	while(cin>>a>>b>>c>>d>>e>>f){
	
	m = a;
	n = d;
	
	a *= n;
	b *= n;
	c *= n;
	
	d *= m;
	e *= m;
	f *= m;
	
	y = (double)((c-f)/(b-e));
	
	x = (double)((c-b*y)/a);
	
	if(x == 0)
		x = 0;
	if(y == 0)
		y =0;
	
	printf("%.3f %.3f\n",x,y);
	}
}

C++: #include<cstdio>

int main(){
	double a,b,c,d,e,f,x,y;
	while(scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) + 1){
		x = ( e * c - b * f) / ( a * e - b * d);
		y = ( - d * c + a * f) / ( a * e - b * d);
		printf("%.3f %.3f\n", x + 0.000001, y + 0.000001);
	}
	return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <vector>
#include <list>
#include <algorithm>
#include <cmath>
#include <stack>
#include <set>
using namespace std;

#define REP(i,n) for(int (i)=0; (i)<(n); (i)++)
#define FOR(i,a,b) for(int (i)=(a); (i)<(b); (i)++)
#define PUSH(n,v) for(int i=0; i<(n); i++) {int j; cin >> j; v.push_back(j);}
#define ALL(v) v.begin(), v.end()

typedef pair<double, double> XY;

XY solve(double a, double b, double c, double d, double e, double f) {
    double x, y;
    x = (c*e - b*f)/(a*e - b*d);
    y = (a*f - c*d)/(a*e - b*d);
    return make_pair(x,y);
}

int main() {
    double a,b,c,d,e,f;
    while(cin >> a >> b >> c >> d >> e >> f) {
        double x, y;
        XY xy = solve(a,b,c,d,e,f);
        x = xy.first;
        y = xy.second;
        printf("%.3f %.3f\n", round(1000 * x)/1000., round(1000 * y)/1000.);
    }
    return 0;
}

C++: #include<iostream>
#include<stdio.h>
using namespace std;
int main(){
double a,b,c,d,e,f;
double x,y;
while(cin >> a >> b >> c >> d >> e >> f){
  x = (double)((e*c-b*f) / (a*e-b*d));
  y = (double)((-(d*c)+a*f) / (a*e-b*d));
  if(x == 0){x = 0;}
  if(y == 0){y = 0;}
  printf("%.3f %.3f\n",x,y);
 }
}

C++: #include<iostream>
using namespace std;

int main(){
int a,b,c,d,e,f,Ax,Ay;
float x,y;
while(cin>>a>>b>>c>>d>>e>>f){
x=(c*e-b*f)/(a*e-b*d);
y=(c*d-a*f)/(b*d-a*e);
Ax=x*100000;
Ay=y*100000;
Ax+=5;
Ay+=5;
Ax/=10;
Ay/=10;
cout<<x<<" "<<y<<endl;}
}

C++: #include<iostream>
#include<cstio>
using namespace std;

int main()
{
    int a,b,c,d,e,f;
    double x,y;
    while(cin>>a>>b>>c>>d>>e>>f){
        y=(a*f-c*d)/(a*e-d*b);
        x=(c-b*y)/a;
        printf("%.3f %.3f\n",x,y);
    }
    return 0;
}

C++: #include<stdio.h>
int main(void){
    double a,b,c,d,e,f,x,y,box1,box2,box3,box4;
    while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)!=EOF){
    box1=c*d;
    box2=a*f;
    box1=box1-box2;
    box3=b*d;
    box4=a*e;
    box2=box3-box4;
    y=box1/box2;
    box3=b*y;
    box4=c-box3;
    x=box4/a;
    x=x*10000+4;
    x=x/10000;
    y=y*10000+4;
    y=y/10000;
    }
return 0;
}

C++: #include <iostream>
#include <iomanip>
#include <stdio.h>

using namespace std;

int main() {

	double a, b, c, d, e, f,aa,bb;


	
	while (cin >> a >> b >> c >> d >> e >> f){

			aa=(c*e-b*f)/(a*e-b*d);
	bb=(a*f-c*d)/(a*e-b*d);

	//cout << fixed << setprecision(3) << ((c*e-b*f)/(a*e-b*d))  << " " << ((a*f-c*d)/(a*e-b*d)) << endl;


		printf("%.3f %.3f\n",aa,bb);
	
	}

	return 0;
}

C++: #include<stdio.h>
#include<iostream>
int main() {
  double a,b,c,d,e,f;
  while(std::cin>>a>>b>>c>>d>>e>>f) {
    printf("%.3f %.3f\n",((c-(b*((a*f-c*d)/(a*e-b*d))))/a),(a*f-d*c)/(a*e-b*d));
  }
}

C++: #include <stdio.h>
#include <math.h>
int main(){
 double a,b,c,d,e,f,y[10000],x[10000];
 int i=0,n;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
  y[i]=((c*d)-(a*f))/((b*d)-(a*e));
  x[i]=((c*e)-(b*f))/((a*e)-(b*d));
  i++;
}
  n=i;
  for(i=0;i < n; i++){
  if(x == 0){x = 0;}
  if(y == 0){y = 0;}
  printf("%.3lf %.3lf\n", x[i],y[i]);
  }
  return 0;
}

C++: #include <iostream>
#include <stdio.h>
using namespace std;

int main(){
	double a,b,c,d,e,f,delta,kai,kait;
	while(1){
	cin >> a >> b >> e >> c >> d >> f;
	delta=a*d-b*c;
	kai=(d*e-b*f)/delta;
	kait=(a*f-e*c)/delta;
	printf("%.3f %.3f\n",kai,kait);
	}

	return 0;
}

C++: #include<iostream>
#include<iomanip>
using namespace std;

int main()
{ 
	double x1, x2, y1, y2, z1, z2;
	double x, y;
	while (cin >> x1 >> y1 >> z1 >> x2 >> y2 >> z2) {
		x = x1;
		x1 *= x2; y1 *= x2; z1 *= x2;
		x2 *= x; y2 *= x; z2 *= x;
		y = (z1 - z2) / (y1 - y2);
		if (z1 - z2 == 0)y = 0;
		x = (z1 - (y1*y)) / x1;
		if (z1 - (y1*y) == 0)x = 0;
		int a, b;
		a = x * 10000;
		b = y * 10000;
		if (a % 10 > 4) {
			a += 10;
			x = double(a) / 10000;
		}
		if (b % 10 > 4) {
			b += 100;
			y = double(b) / 10000;
		}
		cout << fixed;
		cout << setprecision(3) << x << ' ' << y << endl;

	}
	return 0;
}

C++: #include <iostream>
#include <cstdio>
#include <vector> 

int main()
{
	std::vector<int> x, y;
	int a, b, c, d, p, q;
	while (scanf("%d %d %d %d %d %d", &a, &b, &p, &c, &d, &q) != EOF)
	{
		x.push_back((d*p - b*q) / (a*d - b*c));
		y.push_back((a*q - c*p) / (a*d - b*c));
	}

	for (int i = 0; i < x.size(); ++i)
		std::cout << x[i] << " " << y[i] << std::endl;
	return 0;
}

C++: #include<iostream>
#include<math.h>
#include<algorithm>
#include<string.h>
using namespace std;
int main(){
    double a,b,c,d,e,f;
    double x,y;
    while(cin>>a>>b>>c>>d>>e>>f){
    x=(double)((e*c-f*b)/(a*e-b*d));
    y=(double)((-(d*c)+a*f)/(a*e-b*d));
    if(x==0){
        x=0;
    }
    if(y==0){
        y=0;
    }
    printf("%.3f %.3f\n",x,y);
    return 0;
    }
}

C++: #include <iostream>
#include <cmath>

int main()
{
    using namespace std;
    double a, b, c, d, e, f, x, y;
    cout.precision(3);
    cout << fixed << showpoint;
    while (cin >> a >> b >> c >> d >> e >> f) {
        double coef1 = d/a;
        b *= coef1; c *= coef1;
        y = (c - f)/(b - e);
        x = (c - b*y)/a;
        x = round(x*1000)/1000; y = round(y*1000)/1000;
        cout << x << " " << y << endl;
    }
}