diff --git a/First and Last occurrence of X b/First and Last occurrence of X
new file mode 100644
index 0000000..64727ae
--- /dev/null
+++ b/First and Last occurrence of X	
@@ -0,0 +1,31 @@
+        vector<int> find(int arr[], int n , int x )
+{
+    // code here
+    vector<int> ans;
+  
+    for(int i=0;i<n;i++)
+    {
+        if(arr[i]==x)
+        {
+            ans.push_back(i);
+            break;
+        }
+    }
+    for(int i=n-1;i>=0;i--)
+    {
+        if(arr[i]==x)
+        {   
+            ans.push_back(i);
+            break;
+        }
+    }
+    if(ans.size()==0)
+    {
+        ans.push_back(-1);
+                ans.push_back(-1);
+                return ans;
+    }
+    else{
+    return ans;
+    }
+}