diff --git a/.common/cpp/skeleton.cpp b/.common/cpp/skeleton.cpp
index d836ae2..0f0ed86 100644
--- a/.common/cpp/skeleton.cpp
+++ b/.common/cpp/skeleton.cpp
@@ -1,13 +1,20 @@
 #include <algorithm>
+#include <array>
 #include <bit>
+#include <bitset>
 #include <cassert>
 #include <cctype>
+#include <chrono>
+#include <cmath>
 #include <cstdint>
 #include <functional>
+#include <iomanip>
 #include <iostream>
 #include <map>
+#include <numeric>
 #include <optional>
 #include <queue>
+#include <random>
 #include <set>
 #include <sstream>
 #include <string>