diff --git a/Algoritmi_2/Laboratorio/Lab9/Es2/.gitignore b/Algoritmi_2/Laboratorio/Lab9/Es2/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..f68d1099657e34d4e7a68aadc730b3ecad84667d
--- /dev/null
+++ b/Algoritmi_2/Laboratorio/Lab9/Es2/.gitignore
@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/Algoritmi_2/Laboratorio/Lab9/Es2/Es2.iml b/Algoritmi_2/Laboratorio/Lab9/Es2/Es2.iml
index c90834f2d607afe55e6104d8aa2cdfffb713f688..31ddca12075932b7f2f9ca5ab93fa30b7e444019 100644
--- a/Algoritmi_2/Laboratorio/Lab9/Es2/Es2.iml
+++ b/Algoritmi_2/Laboratorio/Lab9/Es2/Es2.iml
@@ -7,5 +7,16 @@
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
+ <orderEntry type="module-library">
+ <library>
+ <CLASSES>
+ <root url="jar://$MODULE_DIR$/../../graphLib.jar!/" />
+ </CLASSES>
+ <JAVADOC>
+ <root url="jar://$MODULE_DIR$/../../graphLib.jar!/doc" />
+ </JAVADOC>
+ <SOURCES />
+ </library>
+ </orderEntry>
</component>
</module>
\ No newline at end of file
diff --git a/Algoritmi_2/Laboratorio/Lab9/Es2/src/DB.java b/Algoritmi_2/Laboratorio/Lab9/Es2/src/DB.java
new file mode 100644
index 0000000000000000000000000000000000000000..c1f4ff44b882220d3981e29ad7686a52109d31ec
--- /dev/null
+++ b/Algoritmi_2/Laboratorio/Lab9/Es2/src/DB.java
@@ -0,0 +1,58 @@
+import it.uniupo.algoTools.MaxHeap;
+
+import java.util.Arrays;
+
+public class DB {
+ private final double capacity;
+ private final int[] dim;
+ private final double[] time;
+
+ public DB(int[] dim, double[] time) {
+ this.capacity = dim.length;
+ this.dim = dim;
+ this.time = time;
+ }
+
+
+ private double fracKnapsackImpl(double[] dose, double[] quant) {
+ double valTot = 0;
+ double remaningSpace = capacity;
+
+ MaxHeap<Integer, Double> maxHeap = new MaxHeap<>();
+
+ for (int i = 0; i < dose.length; ++i) {
+ maxHeap.add(i, time[i] / dim[i]);
+ }
+
+ while (!maxHeap.isEmpty() && remaningSpace > 0) {
+ // Estraggo il materiale con valore unitario massimo
+ int extractedMaterial = maxHeap.extractMax();
+
+ //Se posso prendererlo tutto senza riempite lo zaiono lo prendo tutto
+ if (remaningSpace >= dim[extractedMaterial]) {
+ dose[extractedMaterial] = 1;
+ quant[extractedMaterial] = dim[extractedMaterial];
+ valTot += dim[extractedMaterial];
+ }
+ //Altrimenti ne prendo una frazione
+ else {
+ dose[extractedMaterial] = remaningSpace / dim[extractedMaterial];
+ quant[extractedMaterial] = remaningSpace;
+ valTot += (time[extractedMaterial] * dose[extractedMaterial]);
+ }
+ remaningSpace -= quant[extractedMaterial];
+ }
+ return valTot;
+ }
+
+ public double timeToRebuild(int memSpace) {
+ if (memSpace < 0) {
+ throw new IllegalArgumentException("MemSpace negativo");
+ }
+ double[] dose = new double[memSpace];
+ double[] quant = new double[memSpace];
+ }
+
+}
+
+
diff --git a/Algoritmi_2/Laboratorio/Lab9/Es2/src/Main.java b/Algoritmi_2/Laboratorio/Lab9/Es2/src/Main.java
new file mode 100644
index 0000000000000000000000000000000000000000..3e59c38fbd57497a72e78859efacc67ac75869da
--- /dev/null
+++ b/Algoritmi_2/Laboratorio/Lab9/Es2/src/Main.java
@@ -0,0 +1,5 @@
+public class Main {
+ public static void main(String[] args) {
+ System.out.println("Hello world!");
+ }
+}
\ No newline at end of file
diff --git a/Reti/Laboratorio/Assigment4/EchoServer/client b/Reti/Laboratorio/Assigment4/EchoServer/client
deleted file mode 100755
index daed40002f88652868921c748acf1f5e31b6aed3..0000000000000000000000000000000000000000
Binary files a/Reti/Laboratorio/Assigment4/EchoServer/client and /dev/null differ
diff --git a/Reti/Laboratorio/Assigment4/EchoServer/client.c b/Reti/Laboratorio/Assigment4/EchoServer/client.c
deleted file mode 100644
index c62a1760e1d98569846a0d16d2737991999f59ad..0000000000000000000000000000000000000000
--- a/Reti/Laboratorio/Assigment4/EchoServer/client.c
+++ /dev/null
@@ -1,75 +0,0 @@
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-int main(int argc, char *argv[]) {
- char valueToSend[256] = {'\0'};
- char valueToReceive[256] = {'\0'};
- printf("-1 per uscire\n");
- while (valueToSend[0] != '-' && valueToSend[1] != '1') {
-
- int simpleSocket = 0;
- int simplePort = 0;
- int returnStatus = 0;
- char buffer[256] = "";
- struct sockaddr_in simpleServer;
-
- if (argc != 3) {
- fprintf(stderr, "Usage: %s <server> <port>\n", argv[0]);
- exit(1);
- }
-
- /* create a streaming socket */
- simpleSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-
- if (simpleSocket == -1) {
- fprintf(stderr, "Could not create a socket!\n");
- exit(1);
- } else {
- fprintf(stderr, "Socket created!\n");
- }
-
- /* retrieve the port number for connecting */
- simplePort = atoi(argv[2]);
-
- /* setup the address structure */
- /* use the IP address sent as an argument for the server address */
- // bzero(&simpleServer, sizeof(simpleServer));
- memset(&simpleServer, '\0', sizeof(simpleServer));
- simpleServer.sin_family = AF_INET;
- // inet_addr(argv[2], &simpleServer.sin_addr.s_addr);
- simpleServer.sin_addr.s_addr = inet_addr(argv[1]);
- simpleServer.sin_port = htons(simplePort);
-
- /* connect to the address and port with our socket */
- returnStatus = connect(simpleSocket, (struct sockaddr *)&simpleServer,
- sizeof(simpleServer));
-
- if (returnStatus == 0) {
- fprintf(stderr, "Connect successful!\n");
- } else {
- fprintf(stderr, "Could not connect to address!\n");
- close(simpleSocket);
- exit(1);
- }
-
- /* get the message from the server */
- // returnStatus = read(simpleSocket, buffer, sizeof(buffer));
-
- printf("Inserire il valore da voler inviare al server: ");
- scanf("%s", valueToSend);
- write(simpleSocket, valueToSend, strlen(valueToSend));
- read(simpleSocket, valueToReceive, sizeof(valueToReceive));
- printf("\n\nEcho: %s\n", valueToReceive);
- close(simpleSocket);
- memset(valueToReceive, 0, sizeof(valueToReceive));
- memset(valueToSend, 0, sizeof(valueToSend));
- }
-
- return 0;
-}
diff --git a/Reti/Laboratorio/Assigment4/EchoServer/server b/Reti/Laboratorio/Assigment4/EchoServer/server
deleted file mode 100755
index 0394389a781508863d7c29cc4878a5e63f0f2ee7..0000000000000000000000000000000000000000
Binary files a/Reti/Laboratorio/Assigment4/EchoServer/server and /dev/null differ
diff --git a/Reti/Laboratorio/Assigment4/EchoServer/server.c b/Reti/Laboratorio/Assigment4/EchoServer/server.c
deleted file mode 100644
index c337b3f9eca3a2d7d1a57e44d66257b40b9877e5..0000000000000000000000000000000000000000
--- a/Reti/Laboratorio/Assigment4/EchoServer/server.c
+++ /dev/null
@@ -1,111 +0,0 @@
-#include <netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <time.h>
-#include <unistd.h>
-
-// const char MESSAGE[] = "Guess who's back!\n";
-
-int main(int argc, char *argv[]) {
-
- time_t ticks = time(NULL);
- char MESSAGE[28] = {'\0'};
- snprintf(MESSAGE, sizeof(MESSAGE), "%.24s\r\n", ctime(&ticks));
-
- int simpleSocket = 0;
- int simplePort = 0;
- int returnStatus = 0;
- struct sockaddr_in simpleServer;
-
- if (argc < 1 || argc > 2) {
- fprintf(stderr, "Usage: %s <port>\n", argv[0]);
- exit(1);
- }
-
- simpleSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-
- if (simpleSocket == -1) {
-
- fprintf(stderr, "Could not create a socket!\n");
- exit(1);
-
- } else {
- fprintf(stderr, "Socket created!\n");
- }
-
- /* retrieve the port number for listening */
- if (argc == 2) {
- simplePort = atoi(argv[1]);
- if (simplePort < 10000 || simplePort > 12000) {
- fprintf(stderr, "Port must be in range [10000, 12000]\n");
- exit(1);
- }
- } else {
- srand(time(NULL));
- simplePort = (rand() % 1999) + 10000;
- }
-
- /* setup the address structure */
- /* use INADDR_ANY to bind to all local addresses */
- memset(&simpleServer, '\0', sizeof(simpleServer));
- simpleServer.sin_family = AF_INET;
- simpleServer.sin_addr.s_addr = htonl(INADDR_ANY);
- simpleServer.sin_port = htons(simplePort);
-
- /* bind to the address and port with our socket */
- returnStatus = bind(simpleSocket, (struct sockaddr *)&simpleServer,
- sizeof(simpleServer));
-
- if (returnStatus == 0) {
- fprintf(stderr, "Bind completed on port %d!\n", simplePort);
- } else {
- fprintf(stderr, "Could not bind to address!\n");
- close(simpleSocket);
- exit(1);
- }
-
- /* lets listen on the socket for connections */
- returnStatus = listen(simpleSocket, 5);
-
- if (returnStatus == -1) {
- fprintf(stderr, "Cannot listen on socket!\n");
- close(simpleSocket);
- exit(1);
- }
-
- while (1) {
- struct sockaddr_in clientName = {0};
- int simpleChildSocket = 0;
- int clientNameLength = sizeof(clientName);
-
- /* wait here */
-
- simpleChildSocket =
- accept(simpleSocket, (struct sockaddr *)&clientName, &clientNameLength);
-
- if (simpleChildSocket == -1) {
- fprintf(stderr, "Cannot accept connections!\n");
- close(simpleSocket);
- exit(1);
- }
-
- /* handle the new connection request */
- /* write out our message to the client */
-
- // Read message from client
- char bufferRead[256] = {'\0'};
- printf("%zu\n\n", read(simpleChildSocket, bufferRead, sizeof(bufferRead)));
- printf("Received: %s\n", bufferRead);
- char valueToSend[256] = {'\0'};
- snprintf(valueToSend, sizeof(valueToSend), "%s", bufferRead);
- write(simpleChildSocket, valueToSend, sizeof(valueToSend));
-
- close(simpleChildSocket);
- }
-
- close(simpleSocket);
- return 0;
-}
diff --git a/Reti/Laboratorio/Assigment4/EchoServer2/client b/Reti/Laboratorio/Assigment4/EchoServer2/client
deleted file mode 100755
index daed40002f88652868921c748acf1f5e31b6aed3..0000000000000000000000000000000000000000
Binary files a/Reti/Laboratorio/Assigment4/EchoServer2/client and /dev/null differ
diff --git a/Reti/Laboratorio/Assigment4/EchoServer2/makefile b/Reti/Laboratorio/Assigment4/EchoServer2/makefile
deleted file mode 100644
index f0ddf2785d27023f6a46168567b61136c6fc91b9..0000000000000000000000000000000000000000
--- a/Reti/Laboratorio/Assigment4/EchoServer2/makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-all: client server
-
-client: client.c
- gcc client.c -o client
-
-server: server.c
- gcc server.c -o server
-
-clean:
- rm -f client server
diff --git a/Reti/Laboratorio/Assigment4/EchoServer2/server b/Reti/Laboratorio/Assigment4/EchoServer2/server
deleted file mode 100755
index 0394389a781508863d7c29cc4878a5e63f0f2ee7..0000000000000000000000000000000000000000
Binary files a/Reti/Laboratorio/Assigment4/EchoServer2/server and /dev/null differ
diff --git a/Reti/Laboratorio/Assigment4/EchoServer2/client.c b/Reti/Laboratorio/Assigment5/CharCount/client.c
similarity index 100%
rename from Reti/Laboratorio/Assigment4/EchoServer2/client.c
rename to Reti/Laboratorio/Assigment5/CharCount/client.c
diff --git a/Reti/Laboratorio/Assigment4/EchoServer/makefile b/Reti/Laboratorio/Assigment5/CharCount/makefile
similarity index 100%
rename from Reti/Laboratorio/Assigment4/EchoServer/makefile
rename to Reti/Laboratorio/Assigment5/CharCount/makefile
diff --git a/Reti/Laboratorio/Assigment4/EchoServer2/server.c b/Reti/Laboratorio/Assigment5/CharCount/server.c
similarity index 98%
rename from Reti/Laboratorio/Assigment4/EchoServer2/server.c
rename to Reti/Laboratorio/Assigment5/CharCount/server.c
index b13bab718a90bbfdd3d9cdf42e964d27992823c7..6623e4fd0dbb3b7a8949c88a98a1a4c8ecf66034 100644
--- a/Reti/Laboratorio/Assigment4/EchoServer2/server.c
+++ b/Reti/Laboratorio/Assigment5/CharCount/server.c
@@ -7,8 +7,6 @@
#include <time.h>
#include <unistd.h>
-// const char MESSAGE[] = "Guess who's back!\n";
-
int main(int argc, char *argv[]) {
int simpleSocket = 0;
int simplePort = 0;