diff --git a/src/test.cpp b/src/test.cpp
index b31b92b..991d9fe 100755
--- a/src/test.cpp
+++ b/src/test.cpp
@@ -26,8 +26,8 @@ void print(Args&&...args){
     (std::cout<<...<<std::forward<Args>(args));
 }
 
-constexpr std::array<int64, (size_t)1e4+5> log2 = []()constexpr->std::remove_cvref_t<decltype(log2)>{
-    std::remove_cvref_t<decltype(log2)> ret{};
+constexpr std::array<int64, (size_t)1e4+5> l2 = []()constexpr->std::remove_cvref_t<decltype(l2)>{
+    std::remove_cvref_t<decltype(l2)> ret{};
     ret[1] = 0;
     for (const auto &i : std::ranges::views::iota((size_t)2, ret.size())) {
         ret[i] = ret[i/2] + 1;
@@ -45,7 +45,7 @@ int main(){
     };
     std::ranges::for_each(std::ranges::views::iota((int64)1, 1ll<<arr.size()), [&arr](auto i){
         while(i!=0){
-            print(arr[log2[lowbit(i)]], ' ');
+            print(arr[l2[lowbit(i)]], ' ');
             i-=lowbit(i);
         }
         print('\n');