--- a/sources/main.h	Wed Jan 27 14:16:58 2021 +0200
+++ b/sources/main.h	Wed Jan 27 18:55:03 2021 +0200
@@ -31,6 +31,8 @@
 #pragma once
 #include <algorithm>
 #include <functional>
+#include <string>
+#include <sstream>
 #include <cstdio>
 #include <cstdlib>
 #include <cstdint>