Go: package main

import (
	"fmt"
)

func main() {
	for {
		var a, b, c, d, e, f float64
		i, _ := fmt.Scan(&a, &b, &c, &d, &e, &f)
		if i == 0 {
			break
		}

		y := (c*d - a*f) / (b*d - a*e)
		x := (c - b*y) / a

		fmt.Printf("%.3f %.3f\n", x, y)
	}
}

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

using namespace std;

int main()
{
	double a, b, c, d, e, f;
	while(scanf("%lf%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e, &f) != EOF){
		double ans1 = (e*c-f*b)/(e*a-b*d);
		double ans2 = (d*c-f*a)/(b*d-a*e);
		ans1 = (abs(ans1) < 1e-15) ? 0.0 : ans1;
		ans2 = (abs(ans2) < 1e-15) ? 0.0 : ans2;
		printf("%.3lf %.3lf\n", ans1, ans2);
	}
	
	return 0;
}

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

string toStr(int n);
string intToToString(int n);

int main() {
  int a, b, c, d, e, f;

  while(cin >> a >> b >> c >> d >> e >> f) {
    a = a * 10000;
    b = b * 10000;
    c = c * 10000;
    d = d * 10000;
    e = e * 10000;
    f = f * 10000;
    
    int x, y;
    int det = a * e - b * d;

    x = ( e * c - b * f) / det;
    y = (-d * c + a * f) / det;

    cout << toStr(x) << " " << toStr(y) << endl;
  }
}

string toStr(int n) {
  int ipart = n / 10000;
  int fpart = (n - ipart * 10000) + 5;
  return intToString(ipart) + "." + intToString(fpart).substr(0, 3);
}

string intToString(int n) {
  stringstream ss;
  ss << n;
  return ss.str;
}

C++: #include<bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
typedef long long LL;
int main(){
        double a,b,c,d,e,f;
        while(cin>>a,cin>>b,cin>>c,cin>>d,cin>>e,cin>>f){
           double x=(b*f-e*c)/(b*d-e*a);
           double y=(a*f-d*c)/(a*e-d*b);
           if(x==0)x=0;
           if(y==0)y=0;
           cout<<setprecision(3)<<fixed<<x<<" "<<y<<endl;
        }
	return(0);
}

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

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

int main() {
	std::cout << std::setprecision(3);
	std::cout.setf(std::ios::fixed, std::ios::floatfield);
	double a, b, c, d, e, f;
	while( std::cin >> a >> b >> c >> d >> e >> f ) {
		const double x = (b*f-c*e) / (b*d-a*e);
		const double y = (c-a*x) / b;
		std::cout << x << " " << y << std::endl; 
	}
}

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

int a, b, c, d, e, f;

int main() {
  while (1) {
    if (scanf("%d%d%d%d%d%d", &a, &b, &c, &d, &e, &f) != 6) break;

    double x = double(c*e-b*f)/(a*e-b*d);
    double y = double(c*d-a*f)/(b*d-a*e);

    printf("%.3f %.3f\n", x, y);
  }
}

C++: #define _CRT_SECURE_NO_WARNINGS
#define M_PI 3.14159265358979
#include <iostream>
#include <stdio.h>
#include <string>
#include <math.h>
#include<iomanip>
#include<vector>
#include<cmath>
#include <algorithm>

using namespace std;

int main(){
	double a, b, c, d, e, f, x, y, x1, y1;
	while (scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)!=-1)
	{
		y=(f-d*c)/(a*e-b*d);
		x = (c - b*y) / a;
		y1 = round(y * 1000) / 1000;
		x1 = round(x * 1000) / 1000;
		printf("%.3f %.3f", x1, y1);
		
	}
	
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;

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

C++: #include <stdio.h>
#include <math.h>

int main(){
  int i = 0;
  while(1){
  i++;
  int a, b, c, d, e, f;
  scanf("%d ",&a);
  scanf("%d ",&b);
  scanf("%d ",&c);
  scanf("%d ",&d);
  scanf("%d ",&e);
  scanf("%d ",&f);
  
  double x, y;
  x = (double)(c*e-b*f) / (double)(a*e-b*d);
  y = (double)(a*f-c*d) / (double)(a*e-b*d);
  x = (double)round(x*10000.0) / 10000.0;
  y = (double)round(y*10000.0) / 10000.0;
  printf("%.3f %.3f\n", x, y);
  
  if(scanf("%d", &a)==EOF) break;
  else{
    int line = i * 6;
    fseek(stdin, lineL, SEEK_SET);
  }
  }
  
  return 0;
}

C++: import sys

for line in sys.stdin:
    a,b,c,d,e,f = [float(w) for w in line.split()]
    
    print("{:.3f} {:.3f}".format((e*c-b*f)/(a*e-a*b), (d*c-a*f)/(b*d-a*e)))

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

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

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

using namespace std;

int main(){
	double a, b, c, d, e, f, A, B, C, x, y;
	int xx, yy;

	while(cin >> a >> b >> c >> d >> e >> f){
		A = a * e - b * d;
		B = c * e - b * f;
		C = c * d - a * f;

		x = B / A + 0.0005;
		y = (-1) * C / A + 0.0005;
		xx = x * 1000;
		yy = y * 1000;
		x = xx * 0.001;
		y = yy * 0.001;
		printf("%.3f %.3f?\n", x, y);
	}
	return 0;
}

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

C++: #include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

int main()
{
	double a, b, c, d, e, f;
	while (scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) != EOF)
	{
		double x = (f-c*e/b)/(d-e*a/b);
		x = -0.001 < x && x <= -0 ? x = 0 : x;
		double y = (c-a*x)/b;
		printf("%.3f %.3f\n", x, y);
	}

	return 0;
}

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

int main(){
	double a,b,c,d,e,f,x,y;
	cout<<setprecision(3);
	cout<<fixed;
	while(cin>>a>>b>>c>>d>>e>>f){
		if(e==0){
			x=d/f;
		}else{
			x=(c-b*f/e)/(a-b*d/e);
		}
		y=(c-a*x)/b;
		cout<<x<<" "<<y<<endl;
	}
	return 0;
}