From 62ffd92f580a2de4778e9e43f50e105e14f055a2 Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Wed, 1 Mar 2023 17:32:03 +0800
Subject: [PATCH] =?UTF-8?q?P4549=20=E3=80=90=E6=A8=A1=E6=9D=BF=E3=80=91?=
 =?UTF-8?q?=E8=A3=B4=E8=9C=80=E5=AE=9A=E7=90=86?=
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https://www.luogu.com.cn/record/103347509
---
 Luogu/P4549/P4549.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Luogu/P4549/P4549.cpp

diff --git a/Luogu/P4549/P4549.cpp b/Luogu/P4549/P4549.cpp
new file mode 100644
index 00000000..563fa05a
--- /dev/null
+++ b/Luogu/P4549/P4549.cpp
@@ -0,0 +1,26 @@
+#include <iostream>
+#include <cmath>
+#include <experimental/numeric>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int n, ans;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> n;
+
+    for (int i = 1, x; i <= n; i++) {
+        cin >> x;
+
+        ans = std::experimental::gcd(ans, std::abs(x));
+    }
+
+    cout << ans << endl;
+
+    return 0;
+}