Fails in CI without it

vmcj · vmcj · commit 5369d0c51c19 · 2025-08-09T15:53:49.000+02:00
diff --git a/judge/runguard.cc b/judge/runguard.cc
@@ -64,6 +64,7 @@
 #include <sys/sysinfo.h>
 #include <vector>
 #include <string>
+#include <utility>
 
 #define PROGRAM "runguard"
 #define VERSION DOMJUDGE_VERSION "/" REVISION
