diff --git a/esercitazioni/a.out b/esercitazioni/a.out
index 56fe95d..a1653d3 100755
Binary files a/esercitazioni/a.out and b/esercitazioni/a.out differ
diff --git a/esercitazioni/download_from_server.cpp b/esercitazioni/download_from_server.cpp
index 9d2beff..b494519 100644
--- a/esercitazioni/download_from_server.cpp
+++ b/esercitazioni/download_from_server.cpp
@@ -4,30 +4,33 @@ using namespace std;
 
 int main() {
 	// [kb/s]
-	const int	T1_MAX	= 60*60,// seconds
-				V1_MAX	= 200,	// if t <= 60 min
+	const int	V1_MAX	= 200,	// if t <= 60 min
 				V1_MIN	= 50,	// if t > 60 min
 				V2		= 100;	// always
 	const int	V1_MAX_TIME_SECONDS = 60*60;
-	int dim;					// dimensione film [kb]
-	
+	const int	SECS_FOR_MIN = 60;
+	int	dim,					// dimensione film [kb]
+		server_index,
+		tempo_sec;
+
 	cout << "Dimensione film [kb]: ";
 	cin >> dim;
 	
 	int t_v1_max = dim/V1_MAX;	// seconds
-	if (t_v1_max <= T1_MAX)
-		cout << "Server 1 in " << t_v1_max/60;
+	if (t_v1_max <= V1_MAX_TIME_SECONDS)
+		{server_index = 1; tempo_sec = t_v1_max;}
 	else {
 		int max_dim_v1_max = V1_MAX*V1_MAX_TIME_SECONDS;
 		int dim_v1_min = dim-max_dim_v1_max;
 		int t_v1_min = dim_v1_min/V1_MIN;
 		int t_v2 = dim/V2;
+		// cout << t_v1_min;
 		if (V1_MAX_TIME_SECONDS+t_v1_min <= t_v2)
-			cout << "Server 1 in " << (V1_MAX_TIME_SECONDS+t_v1_min)/60;
+			{server_index = 1; tempo_sec = V1_MAX_TIME_SECONDS+t_v1_min;}
 		else
-			cout << "Server 2 in " << t_v2/60;
+			{server_index = 2; tempo_sec = t_v2;}
 	}
-	cout << " minutes" << endl;
-
+	cout << "Server " << server_index << " in " << tempo_sec/SECS_FOR_MIN << " minutes" << endl;
+	// break point is 1080000 bytes (when t is equal to 10800 seconds)
 	return 0;
 }