diff --git a/ASD_Task_2.depend b/ASD_Task_2.depend
index 4a87b2d..e7e0b20 100644
--- a/ASD_Task_2.depend
+++ b/ASD_Task_2.depend
@@ -29,3 +29,21 @@
 	"list.h"
 	"operation.h"
 
+1581258151 source:c:\users\azizah cahya\documents\github\asd_task_2\operation.cpp
+	"list.h"
+	"operation.h"
+
+1581236206 c:\users\azizah cahya\documents\github\asd_task_2\list.h
+	<iostream>
+
+1581232271 c:\users\azizah cahya\documents\github\asd_task_2\operation.h
+	"list.h"
+
+1581237744 source:c:\users\azizah cahya\documents\github\asd_task_2\main.cpp
+	<iostream>
+	"list.h"
+	"operation.h"
+
+1581259785 source:c:\users\azizah cahya\documents\github\asd_task_2\list.cpp
+	"list.h"
+
diff --git a/Main.cpp b/Main.cpp
index 297d6ca..f3dfaf8 100644
--- a/Main.cpp
+++ b/Main.cpp
@@ -34,7 +34,7 @@ int main() {
     //==================================================
     // TEST INSERT AFTER
     P = findElm(L, 6);
-    insertLast(L, allocate(5));
+    insertAfter(L, P, allocate(5));
     printInfo(L);
     cout<<"output should be: 8, 3, 6, 5, 4, 2,"<<endl;
 
diff --git a/bin/Debug/ASD_Task_2.exe b/bin/Debug/ASD_Task_2.exe
new file mode 100644
index 0000000..b6e22ff
Binary files /dev/null and b/bin/Debug/ASD_Task_2.exe differ
diff --git a/list.cpp b/list.cpp
index f61d73d..57834c2 100644
--- a/list.cpp
+++ b/list.cpp
@@ -5,7 +5,7 @@ void createList(List &L) {
     * FS : set first(L) with Null
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    first(L) = NULL;
 
 
     //----------------------------------------
@@ -18,7 +18,9 @@ address allocate(infotype x) {
 
     address P = NULL;
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    P = new elmlist;
+    info(P) = x;
+    next(P) = NULL;
 
 
     //----------------------------------------
@@ -30,7 +32,8 @@ void deallocate(address &P) {
     * FS : delete element pointed by P
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    next(P) = NULL;
+    delete P;
 
 
     //----------------------------------------
@@ -42,8 +45,8 @@ void insertFirst(List &L, address P) {
     * FS : element pointed by P became the first element in List L
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
+        next(P) = first(L);
+        first(L) = P;
 
 
     //----------------------------------------
@@ -55,7 +58,16 @@ void insertLast(List &L, address P) {
     * FS : element pointed by P became the last element in List L
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    address Q = first(L);
+    if(first(L) == NULL){
+        insertFirst(L, P);
+    }else{
+        while(next(Q) != NULL){
+            Q = next(Q);
+        }
+        next(Q) = P;
+        next(P) = NULL;
+    }
 
 
     //----------------------------------------
@@ -69,8 +81,11 @@ address findElm(List L, infotype x) {
     */
 
     address P;
+    P = first(L);
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    while(info(P) != x){
+        P = next(P);
+    }
 
 
     //----------------------------------------
@@ -83,7 +98,13 @@ void deleteFirst(List &L, address &P) {
     * FS : first element in List L is removed and is pointed by P
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    P = first(L);
+    if(next(first(L)) == NULL){
+        first(L) = NULL;
+    }else{
+        first(L) = next(P);
+        next(P) = NULL;
+    }
 
 
 
@@ -96,8 +117,16 @@ void deleteLast(List &L, address &P) {
     * FS : last element in List L is removed and is pointed by P
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
+    address Q  = first(L);
+    if(next(Q) == NULL){
+        first(L) = NULL;
+    }else{
+        while(next(next(Q)) != NULL){
+            Q = next(Q);
+        }
+        P = next(Q);
+        next(Q) = NULL;
+    }
 
 
     //----------------------------------------
@@ -109,7 +138,11 @@ void printInfo(List L) {
     *      call the view_data function from my_data.h to print the info
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    address Q = first(L);
+    while(Q != NULL){
+        cout<<info(Q)<<", ";
+        Q = next(Q);
+    }
 
 
     //----------------------------------------
@@ -124,7 +157,10 @@ void insertAfter(List &L, address Prec, address P) {
     *      pointed by pointer Prec
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    if(first(L) != NULL){
+        next(P) = next(Prec);
+        next(Prec) = P;
+    }
 
     //----------------------------------------
 
@@ -136,7 +172,11 @@ void deleteAfter(List &L, address Prec, address &P) {
     *      is removed and pointed by pointer P
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
+    if(first(L)!= NULL){
+        P = next(Prec);
+        next(Prec) = next(P);
+        next(P) = NULL;
+    }
 
 
     //----------------------------------------
diff --git a/list.h b/list.h
index d021225..0966576 100644
--- a/list.h
+++ b/list.h
@@ -9,36 +9,16 @@
 
 using namespace std;
 
-
-/**
-* Type infotype : integer
-* Type address  : pointer to ElmList
-*
-* Type ElmList <
-*	info : infotype
-*	next : address
-* >
-*
-* Type List : < First : address >
-*
-**/
-
-
-
 typedef int infotype;
 typedef struct elmlist *address;
 
-struct elmlist{
-    //------------- your code here -----------
-
-
-    //----------------------------------------
+struct elmlist {
+    infotype info;
+    address next;
 };
 
-struct List{
-    //------------- your code here -----------
-
-    //----------------------------------------
+struct List {
+    address first;
 };
 
 
diff --git a/obj/Debug/Main.o b/obj/Debug/Main.o
new file mode 100644
index 0000000..58abb83
Binary files /dev/null and b/obj/Debug/Main.o differ
diff --git a/obj/Debug/list.o b/obj/Debug/list.o
index f0e2f8e..f212d7d 100644
Binary files a/obj/Debug/list.o and b/obj/Debug/list.o differ
diff --git a/obj/Debug/operation.o b/obj/Debug/operation.o
index b08b1f9..dd9c41d 100644
Binary files a/obj/Debug/operation.o and b/obj/Debug/operation.o differ
diff --git a/operation.cpp b/operation.cpp
index 0a0e067..182cb1b 100644
--- a/operation.cpp
+++ b/operation.cpp
@@ -13,8 +13,24 @@ void insert_sorted(List &L, infotype x) {
     */
 
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
-
+    address P, Q;
+    P = allocate(x);
+    if(first(L) == NULL){
+        insertFirst(L, P);
+    }else {
+        Q = first(L);
+        while(next(Q)!= NULL && x > info(Q)){
+            Q = next(Q);
+        }
+        if(x != info(Q)){
+            if(x>info(Q)){
+                insertLast(L, P);
+            }else if(x<info(Q)){
+                insertFirst(L, P);
+            }else{
+                insertAfter(L, Q, P);
+            }
+        }
+    }
     //----------------------------------------
 }