///Java Solution

class Result { public static void plusMinus(List arr) { double countpos=0, countneg=0, countzero=0; double n=arr.size(); for(int i=0;i 0){ countpos++; } else if(arr.get(i) < 0){ countneg++; } else if(arr.get(i)==0){ countzero++; } }

 System.out.println(String.format("%.6f", countpos/n));
 System.out.println(String.format("%.6f", countneg/n));
 System.out.println(String.format("%.6f", countzero/n));

}

}