diff --git a/Luogu/problem/B2014/B2014.cpp b/Luogu/problem/B2014/B2014.cpp
new file mode 100644
index 00000000..00e75f54
--- /dev/null
+++ b/Luogu/problem/B2014/B2014.cpp
@@ -0,0 +1,14 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+const double pi = 3.14159;
+
+int main() {
+    double r;
+    cin >> r;
+    cout << fixed << setprecision(4) << 2 * r << ' '
+         << fixed << setprecision(4) << 2 * pi * r << ' '
+         << fixed << setprecision(4) << pi * r * r << endl;
+    return 0;
+}