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Plus Minus.java
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Plus Minus.java
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import java.io.IOException;
import java.text.DecimalFormat;
import java.util.Scanner;
public class Main {
public static void main(String[] args) throws IOException {
Scanner scanner = new Scanner(System.in);
DecimalFormat decimalFormat = new DecimalFormat("0.000000");
int n = scanner.nextInt();
int a[] = new int[n];
double b = 0;
double c = 0;
double d = 0;
if (n > 0 && n <= 100) {
for (int i = 0; i < a.length; i++) {
int m = scanner.nextInt();
if (m >= -100 && m <= 100)
a[i] = m;
if (m > 0)
b++;
else if (m < 0)
c++;
else d++;
}
}
System.out.println(decimalFormat.format(b / n));
System.out.println(decimalFormat.format(c / n));
System.out.println(decimalFormat.format(d / n));
}
}