Create Challenge.java

Author: rohan37kumar

Challenge.java

@@ -0,0 +1,51 @@
+import java.util.Scanner;
+public class Challenge {
+    static boolean isLeapYear(int n) {
+        if (n % 100 == 0) {
+            return (n % 400) == 0;
+        } else {
+            return n % 4 == 0;
+        }
+    }
+    static int numLYunsorted(int[] a){
+        int count=0;
+        for (int j : a) {
+            if (isLeapYear(j)) {
+                count++;
+            }
+        }
+        return count;
+    }
+    public static void main(String[] args){
+        Scanner sc = new Scanner(System.in);
+
+        System.out.println("Enter the Lower and Upper range.");
+        System.out.print("\nlower range:");
+        int l=sc.nextInt();
+        System.out.print("upper range:");
+        int u=sc.nextInt();
+//        int res1=numLYrange(l,u);
+
+        System.out.println("Enter no. of years in the sorted list:");
+        int n=sc.nextInt();
+        int[] arry = new int[n];
+        System.out.println("Enter the list of years:");
+        for(int i=0;i<n;i++){
+            arry[i]=sc.nextInt();
+        }
+        int res1=numLYunsorted(arry);
+//        int res2=numLYunsorted(arry);
+        System.out.println("Enter no. of years in the unsorted list:");
+        int n1=sc.nextInt();
+        int[] arry1 = new int[n1];
+        System.out.println("Enter the list of years:");
+        for(int i=0;i<n1;i++){
+            arry1[i]=sc.nextInt();
+        }
+        int res2=numLYunsorted(arry1);
+
+        System.out.println("The difference in both number of years is:"+(res1-res2));
+
+        sc.close();
+    }
+}