From dfa8e649eec644346500bcd7860e982113fa4513 Mon Sep 17 00:00:00 2001
From: stefiosif <stef8iosif@gmail.com>
Date: Sat, 11 Jun 2022 19:17:37 +0300
Subject: [PATCH] Create variable instead of reference when accessing the stack

---
 algorithm/tarjan.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/algorithm/tarjan.h b/algorithm/tarjan.h
index b6223d7..fcd0ab2 100644
--- a/algorithm/tarjan.h
+++ b/algorithm/tarjan.h
@@ -56,7 +56,7 @@ void Tarjan<T>::strongConnect(const T& v) {
     std::vector<T> SCC;
     bool finished = false;
     do {
-      const auto& w = S.top();
+      const auto w = S.top();
       S.pop();
       vp[w].onStack = false;
       SCC.push_back(w);