diff --git a/exercises/calculator.cpp b/exercises/calculator.cpp
index 013cc786..3d1b25e1 100644
--- a/exercises/calculator.cpp
+++ b/exercises/calculator.cpp
@@ -10,3 +10,4 @@
   Multiplication: 8
   Division: 2
 */
+
diff --git a/exercises/random_number.cpp b/exercises/random_number.cpp
index 2376baec..5ba34c8a 100644
--- a/exercises/random_number.cpp
+++ b/exercises/random_number.cpp
@@ -4,3 +4,15 @@
   Output:
   The random number is: 4
 */
+#include <iostream>
+#include <random>
+using namespace std;
+
+int main() {
+    random_device rd;               // Ottiene un seme casuale dal sistema
+    mt19937 gen(rd());              // Mersenne Twister, generatore efficiente
+    uniform_int_distribution<int> dist(1, 100); // Intervallo [1, 100]
+
+    cout << "The random number is: " << dist(gen) << endl;
+    return 0;
+}