From ba6f75b394121fa5aef66103d6f0246d998de4cb Mon Sep 17 00:00:00 2001
From: Sainnhe Park <i@sainnhe.dev>
Date: Mon, 21 Nov 2022 15:24:08 +0800
Subject: [PATCH] Fix header

---
 include/s0031_next_permutation.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/s0031_next_permutation.hpp b/include/s0031_next_permutation.hpp
index a3c4fd3..338bac1 100644
--- a/include/s0031_next_permutation.hpp
+++ b/include/s0031_next_permutation.hpp
@@ -2,6 +2,7 @@
 #define S0031_NEXT_PERMUTATION
 
 #include <vector>
+#include <algorithm>
 
 using namespace std;