From 205f243379919b7830726f9dcc4ae7d33c84e857 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Fri, 19 Nov 2021 11:57:35 +0800
Subject: import(life): Add algorithm experiment 5.

---
 works/life/algorithm-experiment/5.1c.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 works/life/algorithm-experiment/5.1c.cpp

(limited to 'works/life/algorithm-experiment/5.1c.cpp')

diff --git a/works/life/algorithm-experiment/5.1c.cpp b/works/life/algorithm-experiment/5.1c.cpp
new file mode 100644
index 0000000..f38d199
--- /dev/null
+++ b/works/life/algorithm-experiment/5.1c.cpp
@@ -0,0 +1,24 @@
+#include <bitset>
+#include <ios>
+#include <iostream>
+
+std::bitset<10000000> f;
+
+int main() {
+  std::ios_base::sync_with_stdio(false);
+  std::cin.tie(nullptr);
+
+  long long current;
+
+  while (std::cin >> current) {
+    f[current - 10000000].flip();
+  }
+
+  for (int i = 1; i < 10000000; ++i) {
+    if (!f[i]) {
+      std::cout << i + 10000000 << '\n';
+    }
+  }
+
+  return 0;
+}
-- 
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