1 files changed, 25 insertions, 0 deletions
diff --git a/store/works/life/lanqiao-selection-match/generator/A.rb b/store/works/life/lanqiao-selection-match/generator/A.rb
new file mode 100755
index 0000000..9b0bf1e
--- /dev/null
+++ b/store/works/life/lanqiao-selection-match/generator/A.rb
@@ -0,0 +1,25 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+# @param file [File]
+def generate(count, file)
+  range = -100_000..100_000
+  prng = Random.new
+  file.write(count)
+  file.write("\n")
+  count.times do
+    file.write(prng.rand(range))
+    file.write(' ')
+  end
+end
+
+3.times do |i|
+  file = File.open("A-#{i + 1}.in", 'w')
+  count = case i
+          when 0 then 1000
+          when 1 then 10_000
+          else 100_000
+          end
+  generate count, file
+  file.close
+end