diff --git a/october_2024/POTD_24_October_2024.cpp b/october_2024/POTD_24_October_2024.cpp
new file mode 100644
index 0000000..cb293ca
--- /dev/null
+++ b/october_2024/POTD_24_October_2024.cpp
@@ -0,0 +1,12 @@
+class Solution{
+    public:
+    vector<int>modifyAndRearrangeArray(vector<int> &arr){
+        //Complete the function
+        int j=0;
+        for(int i=0;i<arr.size();i++){
+            if(arr[i]) arr[j++]=(i<arr.size()-1 && arr[i]==arr[i+1])?arr[i++]*2:arr[i];
+        }
+        fill(arr.begin()+j,arr.end(),0);
+        return arr;
+    }
+};