add 2465

Author: fishercoder1534

Diff for: paginated_contents/algorithms/3rd_thousand/README.md

@@ -48,6 +48,7 @@
 | 2487 | [Remove Nodes From Linked List](https://leetcode.com/problems/remove-nodes-from-linked-list/)                                                                                | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2487.java)                                       || Medium                               | LinkedList, Stack              
 | 2485 | [Find the Pivot Integer](https://leetcode.com/problems/find-the-pivot-integer/)                                                                                 | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2485.java)                                       || Easy                                 ||
 | 2467 | [Convert the Temperature](https://leetcode.com/problems/convert-the-temperature/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2469.java)                                       || Easy                                 ||
+| 2465 | [Number of Distinct Averages](https://leetcode.com/problems/number-of-distinct-averages/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2465.java)                                       || Easy                                 ||
 | 2460 | [Apply Operations to an Array](https://leetcode.com/problems/apply-operations-to-an-array/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2460.java)                                       || Easy                                 ||
 | 2455 | [Average Value of Even Numbers That Are Divisible by Three](https://leetcode.com/problems/average-value-of-even-numbers-that-are-divisible-by-three/)                                        | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2455.java)                                       || Easy                                 ||
 | 2451 | [Odd String Difference](https://leetcode.com/problems/odd-string-difference/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2451.java)                                       || Easy                                 |

Diff for: src/main/java/com/fishercoder/solutions/thirdthousand/_2465.java

@@ -0,0 +1,18 @@
+package com.fishercoder.solutions.thirdthousand;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+public class _2465 {
+    public static class Solution1 {
+        public int distinctAverages(int[] nums) {
+            Arrays.sort(nums);
+            Set<Double> averageSet = new HashSet<>();
+            for (int i = 0, j = nums.length - 1; i < j; i++, j--) {
+                averageSet.add((nums[i] + nums[j]) / 2.0);
+            }
+            return averageSet.size();
+        }
+    }
+}