diff --git a/2558/2558.cpp b/2558/2558.cpp
index ae4f358..9d1a3b8 100644
--- a/2558/2558.cpp
+++ b/2558/2558.cpp
@@ -2,6 +2,7 @@
 #include <cmath>
 #include <algorithm>
 #include <iostream>
+#include <cmath>
 
 void print(std::vector<int>& gifts) {
     for (auto gift : gifts)
@@ -16,7 +17,7 @@ namespace {
             std::sort(gifts.begin(), gifts.end());
     
             for (int i = 0; i < k; ++i) {
-                auto value = std::sqrtl(gifts[gifts.size() - 1]);
+                auto value = std::sqrt(gifts[gifts.size() - 1]);
                 if (value == 1)
                     continue;
                 auto it = std::upper_bound(gifts.begin(), gifts.end(), value);
diff --git a/3341/3341.cpp b/3341/3341.cpp
index f469375..2ae69d1 100644
--- a/3341/3341.cpp
+++ b/3341/3341.cpp
@@ -1,6 +1,8 @@
 #include <vector>
 #include <queue>
 #include <set>
+#include <cstddef>
+#include <tuple>
 
 namespace {
     struct Coord {
diff --git a/838/838-2.cpp b/838/838-2.cpp
index 25d276f..ae45367 100644
--- a/838/838-2.cpp
+++ b/838/838-2.cpp
@@ -2,6 +2,7 @@
 #include <iostream>
 #include <vector>
 #include <span>
+#include <tuple>
 
 namespace {
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 124d1df..ca37c2e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.30)
+cmake_minimum_required(VERSION 3.25)
 
 project(leetcode)
 set(CMAKE_CXX_STANDARD 20)