diff --git a/find duplicates in array b/find duplicates in array
index 691ad06..7f913fc 100644
--- a/find duplicates in array	
+++ b/find duplicates in array	
@@ -49,3 +49,24 @@ int c = 1;
 if(c)
 cout << "-1";
 }
+
+
+//second method 
+vector<int> duplicates(int arr[], int n) {
+        map<int, int> m;
+        vector<int> v;
+        
+        for(int i = 0; i < n; i++){
+            ++m[arr[i]];
+            if(m[arr[i]] > 1 && m[arr[i]] <3){
+                v.push_back(arr[i]);
+            }
+        }
+        
+        if(v.size() < 1){
+            v.push_back(-1);
+        }
+           //v.push_back(-1);
+        
+        return v;
+    }