add 2475

Author: fishercoder1534

paginated_contents/algorithms/3rd_thousand/README.md

@@ -47,6 +47,7 @@
 | 2492 | [Minimum Score of a Path Between Two Cities](https://leetcode.com/problems/minimum-score-of-a-path-between-two-cities/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2492.java)                                       || Medium                               | Union Find                     
 | 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                                 ||
+| 2475 | [Number of Unequal Triplets in Array](https://leetcode.com/problems/number-of-unequal-triplets-in-array/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/thirdthousand/_2475.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                                 ||

src/main/java/com/fishercoder/solutions/thirdthousand/_2475.java

@@ -0,0 +1,21 @@
+package com.fishercoder.solutions.thirdthousand;
+
+public class _2475 {
+    public static class Solution1 {
+        public int unequalTriplets(int[] nums) {
+            int triplets = 0;
+            for (int i = 0; i < nums.length - 2; i++) {
+                for (int j = i + 1; j < nums.length - 1; j++) {
+                    if (nums[i] != nums[j]) {
+                        for (int k = j + 1; k < nums.length; k++) {
+                            if (nums[i] != nums[k] && nums[j] != nums[k]) {
+                                triplets++;
+                            }
+                        }
+                    }
+                }
+            }
+            return triplets;
+        }
+    }
+}