Create PlusMinus.java

jumpman-cmd · web-flow · commit 0368859a849f · 2024-09-03T21:41:50.000+02:00
diff --git a/PlusMinus.java b/PlusMinus.java
@@ -0,0 +1,75 @@
+
+
+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
+         int n = arr.size();
+         int positiveNumbers = 0;
+         int negativeNumbers = 0;
+         int zeroNumbers = 0;
+         
+         for(int arrElement : arr)
+         {
+             if(arrElement > 0)
+             {
+                 positiveNumbers++;
+             }
+             
+             else if(arrElement < 0)
+             {
+                 negativeNumbers++;
+             }
+             
+             else
+             {
+                 zeroNumbers++;
+             }
+         }
+         
+         double positiveNumbersRatio = (double) positiveNumbers / n;
+         double negativeNumbersRatio = (double) negativeNumbers / n;
+         double zeroNumbersRatio = (double) zeroNumbers / n;
+         
+         System.out.printf("%.6f%n", positiveNumbersRatio);
+         System.out.printf("%.6f%n", negativeNumbersRatio);
+         System.out.printf("%.6f%n", zeroNumbersRatio);
+     }
+}
+
+public class PlusMinus 
+{
+    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();
+    }
+}
