diff --git a/Luogu/B2024/B2024.cpp b/Luogu/B2024/B2024.cpp
new file mode 100644
index 00000000..8e7f4bd1
--- /dev/null
+++ b/Luogu/B2024/B2024.cpp
@@ -0,0 +1,14 @@
+#include <cstdio>
+
+double x;
+
+int main() {
+    scanf("%lf", &x);
+    printf(
+        "%f\n"
+        "%.5f\n"
+        "%e\n"
+        "%g\n",
+        x, x, x, x);
+    return 0;
+}