From 58e4c77b1d5f8241af91c55e1a8efaba3115dc6b Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 25 Oct 2020 17:16:31 +0800
Subject: import(life): Add algorithm contest 2.

---
 works/life/algorithm-contest-2/generator/5/1.in  |  2 +
 works/life/algorithm-contest-2/generator/5/2.in  |  2 +
 works/life/algorithm-contest-2/generator/5/3.cpp | 47 ++++++++++++++++++++++++
 3 files changed, 51 insertions(+)
 create mode 100644 works/life/algorithm-contest-2/generator/5/1.in
 create mode 100644 works/life/algorithm-contest-2/generator/5/2.in
 create mode 100644 works/life/algorithm-contest-2/generator/5/3.cpp

(limited to 'works/life/algorithm-contest-2/generator/5')

diff --git a/works/life/algorithm-contest-2/generator/5/1.in b/works/life/algorithm-contest-2/generator/5/1.in
new file mode 100644
index 0000000..a1dfd91
--- /dev/null
+++ b/works/life/algorithm-contest-2/generator/5/1.in
@@ -0,0 +1,2 @@
+5 3
+6 1 2 3 4
\ No newline at end of file
diff --git a/works/life/algorithm-contest-2/generator/5/2.in b/works/life/algorithm-contest-2/generator/5/2.in
new file mode 100644
index 0000000..7c0d388
--- /dev/null
+++ b/works/life/algorithm-contest-2/generator/5/2.in
@@ -0,0 +1,2 @@
+6 8
+1 9 5 4 3 6
\ No newline at end of file
diff --git a/works/life/algorithm-contest-2/generator/5/3.cpp b/works/life/algorithm-contest-2/generator/5/3.cpp
new file mode 100644
index 0000000..62d18c4
--- /dev/null
+++ b/works/life/algorithm-contest-2/generator/5/3.cpp
@@ -0,0 +1,47 @@
+#include <iostream>
+#include <random>
+#include <vector>
+
+using std::cout;
+
+int main() {
+  std::default_random_engine engine(std::random_device{}());
+  std::uniform_int_distribution<int> insert_distribution(0, 997);
+  std::uniform_int_distribution<int> distribution(1, 100000);
+  const int SIZE = 1000;
+  std::vector<int> v;
+
+  for (int i = 0; i < SIZE - 1; i++) {
+    v.push_back(distribution(engine));
+  }
+
+  int K = 320;
+
+  int a_index = insert_distribution(engine);
+  int a = v[a_index];
+  int b_index = insert_distribution(engine);
+  while (b_index == a_index) {
+    b_index = insert_distribution(engine);
+  }
+  int b = v[b_index];
+
+  int c_index = insert_distribution(engine);
+  while (c_index == a_index && c_index == b_index) {
+    c_index = insert_distribution(engine);
+  }
+  int c = v[c_index];
+
+  int d = (((-a - b - c) % K + K) % K) + 20 * K;
+
+  int d_index = insert_distribution(engine);
+
+  v.insert(v.cbegin() + d_index, c);
+
+  cout << SIZE << ' ' << K << '\n';
+
+  for (int i = 0; i < SIZE; i++) {
+    cout << v[i] << ' ';
+  }
+
+  return 0;
+}
-- 
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