Go: package main

import (
        "fmt"
        "bufio"
        "os"
        "math"
)

func main() {
        var a, b, c, d, e, f float64
        sc := bufio.NewScanner(os.Stdin)
        for sc.Scan() {
                fmt.Sscanf(sc.Text(), "%f %f %f %f %f %f", &a, &b, &c, &d, &e, &f)

                det := a*e - b*d
                x := (e*c - b*f) / det
                y := (a*f - c*d) / det
                if x == 0.0 {
                        x = math.Abs(x)
                }
                if y == 0.0 {
                        y = math.Abs(y)
                }
                fmt.Printf("%.3f %.3f\n", x, y)
        }
}

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

using namespace std;

int main(){
  int a, b, c, d, e, f;
  while(true){
	if(!(cin >> a >> b >> c >> d >> e >> f)) return 0;
	double det = a*e - b*d;
	double x = (e*c-b*f)/det;
	double y = (-d*c+a*f)/det;
	printf("%.3f %.3f\n", (int)(x*1000)/1000.0, (int)(y*1000)/1000.0 );
  }
}

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

int main(){
	int a, b, c, d, e, f;
	double x, y;
	double p;

	while(cin >> a >> b >> c >> d >> e >> f){
		p = (double)e/(double)b;
		x = (p*(double)c-(double)f)/(p*(double)a-(double)d);
		y = ((double)c-(double)a*x)/(double)b;

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

	return 0;
}

C++: #include<stdio.h>
int main(){
	int a,b,c,d,e,f;
	double x,y;
	scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
	x=(double)(c*e-b*f)/(a*e-b*d);
	y=(double)(c*d-a*f)/(b*d-a*e);
	printf("%.3lf %.3lf\n",x,y);
	scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
	x=(double)(c*e-b*f)/(a*e-b*d);
	y=(double)(c*d-a*f)/(b*d-a*e);
	printf("%.3lf %.3lf\n",x,y);
}

C++: #include<stdio.h>
#include<iostream>
using namespace std;
int main(void){
    double a, b, c, d, e, f;
    while(cin >> a >> b >> c >> d >> e >> f){
        double x = (f - ((c*e)/b)) / (d - ((a*e)/b));
        double y = (c/b) - ((a*x)/b);

        if(x == 0){
            x = 0;
        }
        if(y == 0){
            y = 0;
        }
        printf("%.3f %.3f\n", x, y);
    }
    return 0;
}

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

int main() {
	std::cout << std::setprecision(3);
	std::cout.setf(std::ios::fixed, std::ios::floatfield);
	int 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<iostream>
#include<stdio.h>
using namespace std;

int main() {
	double a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		printf("%.3f", (c*e - b*f) / (a*e - d*b));
		cout << ' ' ;
		printf("%.3f", (c*d - a*f) / (b*d - a*e));
	}
}

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

int main()
{
	int a, b, c, d, e, f;
	while (cin >> a >> b >> c >> d >> e >> f) {
		double x = (c*e - b*f) / (a*e - b*d);
		double y = (f - d*x) / e;
		printf("%1.3f %1.3f", x, y);
	}

	return 0;
}

C++: #pragma GCC optimize "O3"
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#define whole(f,x,...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x)
#define ALL(a)  (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SZ(a) int((a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define REP_FROM(i,m,n) for (int i = (m); (i) < int(n); ++(i))
#define REP_REV(i,n) for (int i = (n)-1; (i) >= 0; --(i))
#define REP_FROMREV(i,m,n) for (int i = (n)-1; (i) >= int(m); --(i))
#define CLR(a) memset((a), 0 ,sizeof(a))
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
#ifndef LOCAL
#define cerr if (false) cerr
#endif
using namespace std;
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}
template<class T> inline T sqr(T x) {return x*x;}
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;

template <class T> inline void setmax(T & a, T const & b) { a = max(a, b); }
template <class T> inline void setmin(T & a, T const & b) { a = min(a, b); }
template <class T> T sq(T x) { return x * x; }
template <class T> T clamp(T a, T l, T r) { return min(max(a, l), r); } // [l, r]
const double EPS = 1e-10;
const double PI  = acos(-1.0);

void solve(int a, int b, int c, int d, int e, int f) {
	double x, y;
	y = (d*c-a*f)/(d*b-a*e+EPS);
	x = (c-b*y)/a;
	printf("%.3f %.3f\n", x, y);
}

int main(int argc, char *argv[]) {
	// Something to do
	int a, b, c, d, e, f;
	while(cin >> a >> b >> c >> d >> e >> f) {
		solve(a,b,c,d,e,f);
	}
	return 0;
}

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

void OutputSolution(int a, int b, int c, int d, int e, int f)
{
	double y = (a*f - c*d) / (a*e - b*d);
	double x = (c-b*y) / a;
//	if(x == -0) x = 0;
//	if(y == -0) y = 0;
	cout << fixed << setprecision(3) << x << ' ' << y << endl;
}

int main()
{
	while(true){
		int a, b, c, d, e, f;
		cin >> a >> b >> c >> d >> e >> f;
		if(cin.eof()) break;
		OutputSolution(a, b, c, d, e, f);
	}
	return 0;
}

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

using namespace std;

int main(){
	double a,b,c,d,e,f,x,y;
	while(cin.eof()==false){
//		break;
	a=10000;
	cin >> a >> b >> c >> d >> e >> f;
	if (a==10000){
		break;
	}

	double under = a*e-b*d;
	if(abs((c*e-b*f)/under)<0.0005){
		x=0;
	}
	else{
		x=(c*e-b*f)/under;
	}
	if(abs((a*f-c*d)/under)<0.0005){
		y=0;
	}
	else{
		y=(a*f-c*d)/under;
	}

//	cout << (c*e-b*f)/under << " " << (a*f-c*d)/under << endl;
	printf("%.3f %.3f\n",x,y);
	}
}

C++: 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 = (b*f - c*e) / (b*d - a*e);
      y = (c*d - a*f) / (b*d - a*e);
      if(abs(x) < 0.000001 && x < 0)
	x = 0.0;
      if(abs(y) < 0.000001 && y < 0)
	y = 0.0;
      printf("%.3f %.3f\n", x, y);
    }
  return 0;
}

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

int main(){
double a,b,c,d,e,f,a_,b_,c_,d_,e_,f_;
double x,y;
double in;
while (std::cin >>a>>b>>c>>d>>e>>f){
in = (a*e - b*d);
a_ = e/in;
b_ = -1*b/in;
d_ = -1*d/in;
e_ = a/in;
x = c * a_ + f*b_;
y = c*d_ + f*e_;
std::cout << std::setprecision(3) << std::fixed << x << ' ' << std::setprecision(3) << std::fixed <<  y << std::endl;
}
    return 0;
}

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

using namespace std;

int main(){
  double a,b,c,d,e,f;
  vector<double> al,bl,cl,dl,el,fl;
  double x,y,n,m;

  while(cin >> a >> b >> c >> d >> e >> f){
    al.push_back(a);
    bl.push_back(b);
    cl.push_back(c);
    dl.push_back(d);
    el.push_back(e);
    fl.push_back(f);
  }

  for(int i=0; i<al.size(); i++){
    n = bl[i]/el[i];
    m = al[i]/dl[i];
    x = (cl[i]-n*fl[i])/(al[i]-n*dl[i]); 
    y = (cl[i]-m*fl[i])/(bl[i]-m*el[i]);
    printf("%0.3f %0.3f\n", x, y);
  }

  return 0;
}

C++: //
//  main.cpp
//  b
//
//  Created by h3037178 on 2017/07/31.
//  Copyright ?? 2017??´ ?????£?????????. All rights reserved.
//

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

}