diff --git a/content/data-structures/OrderStatisticTree.h b/content/data-structures/OrderStatisticTree.h index b5fe5c7..8bf9a1f 100644 --- a/content/data-structures/OrderStatisticTree.h +++ b/content/data-structures/OrderStatisticTree.h @@ -8,6 +8,7 @@ * To get a map, change \texttt{null\_type}. * Time: O(\log N) */ + #include using namespace __gnu_pbds;