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Solution_Plus_Minus.java
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Solution_Plus_Minus.java
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import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
class Result {
/*
* Complete the 'plusMinus' function below.
*
* The function accepts INTEGER_ARRAY arr as parameter.
*/
public static void plusMinus(List<Integer> arr) {
// Write your code here
double positif = 0;
double negatif = 0;
double zero = 0;
double size = (double)(arr.size());
for (int i=0;i<arr.size();i++){
if(arr.get(i)==0){
zero+=1;
}
else if(arr.get(i)>0){
positif+=1;
}
else{
negatif+=1;
}
}
System.out.println(positif/size+"\n"+negatif/size+"\n"+zero/size);
}
}
public class Solution_Plus_Minus {
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
int n = Integer.parseInt(bufferedReader.readLine().trim());
List<Integer> arr = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
.map(Integer::parseInt)
.collect(toList());
Result.plusMinus(arr);
bufferedReader.close();
}
}