From 57de0429db13f58848157683a52ebfd67051044d Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Wed, 30 Dec 2020 20:01:30 +0800
Subject: [PATCH] =?UTF-8?q?P3879=20[TJOI2010]=E9=98=85=E8=AF=BB=E7=90=86?=
 =?UTF-8?q?=E8=A7=A3?=
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R44435160
---
 problem/P3879/P3879.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/problem/P3879/P3879.cpp b/problem/P3879/P3879.cpp
index bf70e219..ce40d773 100644
--- a/problem/P3879/P3879.cpp
+++ b/problem/P3879/P3879.cpp
@@ -5,7 +5,7 @@ using namespace std;
 int main() {
     int n, l;
     string s;
-    map<string, set<int>> m;
+    unordered_map<string, set<int> > m;
     cin >> n;
     for (int i = 1; i <= n; i++) {
         cin >> l;