Update solver.py

solver.py

@@ -73,7 +73,10 @@ def generate_random_instance(
     tw_end = tw_start + rng.integers(30, 45, size=n_clients)
 
     # Service time fixed to 1 minute
-    service = np.ones(n_clients, dtype=int)
+    #service = np.ones(n_clients, dtype=int)
+    # Service time between 2 and 3 minutes (inclusive)
+    service = rng.integers(2, 4, size=n_clients)
+
 
     df = pd.DataFrame({
         "id": [f"C{i+1}" for i in range(n_clients)],