/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class Main {
      public static void main(String[] args) {
           Scanner in = new Scanner(System.in);
           int n = in.nextInt();
           double[][] a = new double[n][n];
           double[]res = new double[n];
           for( int i=0 ; i<n ; i++ ){
                res[i] = 0;
           }
           for( int j=0 ; j<n ; j++ ){
                for( int i=0 ; i<n ; i++ ){
                a[i][j] = in.nextInt();
                res[j] += a[i][j]*(1.0/((i+1)*(i+1)+2));
                } 
           System.out.println("res["+j+"] ="+res[j]);
           }
     }
}

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

MgoxIDIgMyA0

2
1 2 3 4