diff --git a/Faulty wiring and Bulbs b/Faulty wiring and Bulbs
new file mode 100644
index 0000000..610ea5a
--- /dev/null
+++ b/Faulty wiring and Bulbs	
@@ -0,0 +1,41 @@
+// { Driver Code Starts
+
+#include<bits/stdc++.h>
+using namespace std;
+
+ // } Driver Code Ends
+
+
+class Solution
+{
+  public:
+    int countFlips(int a[],int n)
+    {
+        //code here.
+        int k=1,m=0;
+        for(int i=0;i<n;i++){
+            if(k!=a[i]){k=a[i];m++;}
+        }
+        return m;
+    }
+};
+
+
+
+// { Driver Code Starts.
+int main()
+{
+    int t,n;
+    cin>>t;
+    while(t--){
+        cin>>n;
+        int a[n];
+        for(int i=0;i<n;i++)
+        cin>>a[i];
+        Solution ob;
+        cout<<ob.countFlips(a,n)<<endl;
+    }
+    return 0;
+}
+
+  // } Driver Code Ends