From 5879ee3f33d07e93b1cc475035c3aa9c8577eeb7 Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Fri, 15 Apr 2022 12:33:26 +0800
Subject: Fix bad inclusion cause code not compiling.

---
 vec.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'vec.h')

diff --git a/vec.h b/vec.h
index 64eaaca..c7669bf 100644
--- a/vec.h
+++ b/vec.h
@@ -7,6 +7,7 @@
 
 #include <cmath>
 #include <random>
+#include <ostream>
 
 static inline bool eq(int a, int b) {
     return a == b;
-- 
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