From 16f5131ae2cd9ea983f96f89ea107faa8a70c130 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <actions@github.com>
Date: Sun, 13 Sep 2026 05:59:26 +0000
Subject: [PATCH] Update contest data

---
 contests_all.json | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/contests_all.json b/contests_all.json
index 9005947..2ffd8e1 100644
--- a/contests_all.json
+++ b/contests_all.json
@@ -1,5 +1,5 @@
 {
-  "generated_at": 1789260743,
+  "generated_at": 1789279157,
   "contests": [
     {
       "platform": "UOJ",
@@ -1177,6 +1177,14 @@
       "status": "upcoming",
       "url": "https://atcoder.jp/contests/abc478"
     },
+    {
+      "platform": "AtCoder",
+      "title": "AtCoder Regular Contest 231",
+      "start_time": 1791115200,
+      "end_time": 1791122400,
+      "status": "upcoming",
+      "url": "https://atcoder.jp/contests/arc231"
+    },
     {
       "platform": "AtCoder",
       "title": "AtCoder Regular Contest++ 232",