From d2b70159019827e809ead19c48a30a741140c593 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Filip=20Hl=C3=A1sek?= <fhlasek@gmail.com>
Date: Mon, 3 Aug 2020 02:07:59 -0700
Subject: [PATCH] Remove unused global variable from graph/kruskal.

---
 graph/kruskal.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/graph/kruskal.cpp b/graph/kruskal.cpp
index deec717c0..9ee26766f 100644
--- a/graph/kruskal.cpp
+++ b/graph/kruskal.cpp
@@ -7,7 +7,7 @@
 const int mx = 1e6 + 5;
 typedef int64_t ll;
 
-std::array<ll, mx> parent, arr;
+std::array<ll, mx> parent;
 ll node, edge;
 std::vector<std::pair<ll, std::pair<ll, ll>>> v;
 void initial() {