import java.lang.Math;

public class gg {
    public static void main(String[] args)
    {

        float A[] = {(100*(float)Math.random()),(100*(float)Math.random()),(100*(float)Math.random()),(100*(float)Math.random()),(100*(float)Math.random()),(100*(float)Math.random())};

        int n = A.length;

        float M[][] = new float[n][n];

        for(int i=0; i<n;i++){
            int sum = 0;
            for(int j = i;j<n;j++){
                sum += A[j];
                M[i][j] = sum/(float)(j-i+1);
            }
        }
        for(int r =0; r < n ; r++){
            for(int p = 0 ; p < n; p++){

                System.out.print( "[" + M[r][p] + "]");
            }
            System.out.println();
        }
    }
}