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/5.1b.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 works/life/algorithm-experiment/5.1b.cpp

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

diff --git a/works/life/algorithm-experiment/5.1b.cpp b/works/life/algorithm-experiment/5.1b.cpp
new file mode 100644
index 0000000..a6dd32e
--- /dev/null
+++ b/works/life/algorithm-experiment/5.1b.cpp
@@ -0,0 +1,25 @@
+#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;
+      break;
+    }
+  }
+
+  return 0;
+}
-- 
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