#include<iostream>
#include<fstream>
#include<cstdlib>

using namespace std;

void main(){
    ifstream fin("equations.txt");
    ofstream fout("equations1.txt");
    int n = 0;
    fin >> n;
    int m = n+1;
    double sol[1000] = {0};

    double **matrix = (double**) malloc (m * sizeof(int*));
    for(int i=0; i<m; i++){
        matrix[i] = (double*)malloc(m * sizeof(int));
    }

    for(int i=0; i<n; i++){
        for(int j=0; j<=n; j++){
            fin >> matrix[i][j];
        }
    }

    for (int k = 0; k < n; k++) {
        for (int j = k + 1; j < n; j++) {
            double d = matrix[j][k] / matrix[k][k];
            for (int i = k; i < n; i++) {
                matrix[j][i] = matrix[j][i] - d * matrix[k][i];
            }
            matrix[j][n] -= d * matrix[k][n];
        }
    }

    for (int k = n - 1; k >= 0; k--) {
        double d = 0.0;
        for (int j = k + 1; j < n; j++) {
            double s = matrix[k][j] * sol[j];
            d = d + s;
        }
        sol[k] = (matrix[k][n] - d) / matrix[k][k];
    }

    for( int i=0; i<n; i++){
        fout << fixed;
        fout.precision(8);
        fout << sol[i];
        fout << " ";
    }
    fin.close();
    fout.close();
}