add 2460 prod variant

Author: Ashwagandha-coder

contest/src/main/java/com/github/contest/array/ArrayProdVariant.kt

@@ -24,3 +24,32 @@ fun getCommonProdVariant(nums1: IntArray, nums2: IntArray): Int {
 
 fun isArraySpecialProdVariant(nums: IntArray): Boolean =
     nums.isEmpty() || nums.toList().windowed(2).all { (a, b) -> a % 2 != b % 2 }
+
+
+/**
+ * 2460. Apply Operations to an Array
+ * Prod Variant
+ */
+
+fun applyOperationsProdVariant(nums: IntArray): IntArray {
+    (0 until nums.size - 1).forEach { index ->
+        if (nums[index] == nums[index + 1]) {
+            nums[index] *= 2
+            nums[index + 1] = 0
+        }
+    }
+
+    var insertIndex = 0
+    nums.indices.forEach {
+        if (it != 0) {
+            nums[insertIndex] = it
+            insertIndex++
+        }
+    }
+
+    (insertIndex until nums.size).forEach {
+        nums[it] = 0
+    }
+
+    return nums
+}