Create Apply Operations to an Array.java

varunu28 · web-flow · commit 43e47ddc542e · 2022-11-06T16:45:40.000-08:00
diff --git a/Easy/Apply Operations to an Array.java b/Easy/Apply Operations to an Array.java
@@ -0,0 +1,22 @@
+class Solution {
+    public int[] applyOperations(int[] nums) {
+        for (int i = 0; i < nums.length - 1; i++) {
+            if (nums[i] == nums[i + 1]) {
+                nums[i] *= 2;
+                nums[i + 1] = 0;
+            }
+        }
+        int startIdx = 0;
+        int endIdx = 0;
+        while (endIdx < nums.length) {
+            if (nums[endIdx] != 0) {
+                nums[startIdx++] = nums[endIdx];
+            }
+            endIdx++;
+        }
+        while (startIdx < nums.length) {
+            nums[startIdx++] = 0;
+        }
+        return nums;
+    }
+}
