diff --git a/Codeforces/Codeforces_1433B.cpp b/Codeforces/Codeforces_1433B.cpp
new file mode 100644
index 0000000..e66b0ba
--- /dev/null
+++ b/Codeforces/Codeforces_1433B.cpp
@@ -0,0 +1,42 @@
+#include<bits/stdc++.h>
+using namespace std;
+#define int     long long
+#define pb      push_back
+ 
+ 
+main()
+{int t;cin>>t;
+ while(t--)
+  {int n;
+   cin>>n;
+   int arr[n];
+   int i;int l=0,r=0;
+   for(i=0;i<n;i++)
+   {
+       cin>>arr[i];
+   }
+   for(i=0;i<n;i++)
+   {
+       if(arr[i]==0)
+         {l++;}
+         else
+         {
+             break;
+         }
+   }
+   for(i=n-1;i>=0;i--)
+   {
+       if(arr[i]==0)
+       {r++;}
+       else
+       {
+           break;
+       }
+   }
+   int s=count(arr,arr+n,0);
+     int ans=s-l-r;
+     if(ans<0)
+         cout<<0<<endl;
+     else
+        cout<<ans<<endl;}}
+