diff --git a/code/Flow/Dinic.cpp b/code/Flow/Dinic.cpp
index 20cf989..5a6651a 100755
--- a/code/Flow/Dinic.cpp
+++ b/code/Flow/Dinic.cpp
@@ -54,4 +54,8 @@ int max_flow(int s,int t){
         while((f=dfs(s,t,1e9))>0)
               flow+=f;
     }
-}
\ No newline at end of file
+}
+int main(){
+	for(int i=0;i<V;++i)
+		g[i].clear();
+}