diff --git a/day5/RMQ/st_done.cpp b/day5/RMQ/st_done.cpp
index f62d15d..e9a2ac2 100644
--- a/day5/RMQ/st_done.cpp
+++ b/day5/RMQ/st_done.cpp
@@ -4,7 +4,7 @@ using namespace std;
 int main(){
     int n;
     cin>>n;
-    int l2[n+1];
+    int l2[(int)1e8];
     l2[1]=0;
     for(int i=2;i<=n;i++){
         l2[i]=l2[i>>1]+1;