From ddc5aa01ef8fdbb0694bccc86e1b91395c04c1e4 Mon Sep 17 00:00:00 2001
From: Yegor Bugayenko <yegor256@gmail.com>
Date: Mon, 27 May 2024 18:27:32 +0800
Subject: [PATCH] cleanup

---
 .github/workflows/zerocracy.yml |  2 +-
 judges/clean-up/clean-up.rb     | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 judges/clean-up/clean-up.rb

diff --git a/.github/workflows/zerocracy.yml b/.github/workflows/zerocracy.yml
index 723a0532..25b5e4f9 100644
--- a/.github/workflows/zerocracy.yml
+++ b/.github/workflows/zerocracy.yml
@@ -52,7 +52,7 @@ jobs:
             repositories=yegor256/judges,yegor256/factbase,zerocracy/judges-action,zerocracy/pages-action
           factbase: zerocracy.fb
           trim: 5
-      - uses: zerocracy/pages-action@master
+      - uses: zerocracy/pages-action@0.0.3
         with:
           verbose: true
           factbase: zerocracy.fb
diff --git a/judges/clean-up/clean-up.rb b/judges/clean-up/clean-up.rb
new file mode 100644
index 00000000..a6de72a7
--- /dev/null
+++ b/judges/clean-up/clean-up.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+# MIT License
+#
+# Copyright (c) 2024 Zerocracy
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+fb.query('(not (exists _id))').delete!
+
+fb.query('(not (exists _time))').delete!