diff --git a/src/20241116/U498412.cpp b/src/20241116/U498412.cpp
index 1d7466c..bcd8ea0 100644
--- a/src/20241116/U498412.cpp
+++ b/src/20241116/U498412.cpp
@@ -35,7 +35,7 @@ int main(){
         edges[u].push_back(v);
         edges[v].push_back(u);
     }
-    fd_ft(0, 1);
+    fd_ft(0, rt);
     for(ll i{1};i<=q;i++){
         ll u, v;
         cin>>u>>v;