diff --git a/ASD_Task_2.depend b/ASD_Task_2.depend
index 4a87b2d..ea32629 100644
--- a/ASD_Task_2.depend
+++ b/ASD_Task_2.depend
@@ -29,3 +29,22 @@
 	"list.h"
 	"operation.h"
 
+1581160608 source:/Users/760007/Documents/Kuliah/StrukDat/ASD_Task_2/operation.cpp
+	"list.h"
+	"operation.h"
+
+1581077172 /Users/760007/Documents/Kuliah/StrukDat/ASD_Task_2/list.h
+	<iostream>
+
+1581047543 /Users/760007/Documents/Kuliah/StrukDat/ASD_Task_2/operation.h
+	"list.h"
+
+1581161061 source:/Users/760007/Documents/Kuliah/StrukDat/ASD_Task_2/Main.cpp
+	<iostream>
+	"list.h"
+	"operation.h"
+
+1581163112 source:/Users/760007/Documents/Kuliah/StrukDat/ASD_Task_2/list.cpp
+	<iostream>
+	"list.h"
+
diff --git a/ASD_Task_2.layout b/ASD_Task_2.layout
index e69ac9c..a35dfe7 100644
--- a/ASD_Task_2.layout
+++ b/ASD_Task_2.layout
@@ -1,30 +1,29 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
 <CodeBlocks_layout_file>
-	<FileVersion major="1" minor="0" />
 	<ActiveTarget name="Debug" />
-	<File name="operation.cpp" open="1" top="0" tabpos="5" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="operation.h" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="656" topLine="0" />
+			<Cursor1 position="151" topLine="0" />
 		</Cursor>
 	</File>
-	<File name="Main.cpp" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="list.cpp" open="1" top="1" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="837" topLine="23" />
+			<Cursor1 position="2519" topLine="73" />
 		</Cursor>
 	</File>
-	<File name="list.h" open="1" top="1" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="list.h" open="1" top="0" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="151" topLine="0" />
+			<Cursor1 position="151" topLine="18" />
 		</Cursor>
 	</File>
-	<File name="list.cpp" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="operation.cpp" open="1" top="0" tabpos="5" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="214" topLine="117" />
+			<Cursor1 position="1048" topLine="0" />
 		</Cursor>
 	</File>
-	<File name="operation.h" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="Main.cpp" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="152" topLine="0" />
+			<Cursor1 position="837" topLine="63" />
 		</Cursor>
 	</File>
 </CodeBlocks_layout_file>
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 b/bin/Debug/ASD_Task_2
new file mode 100755
index 0000000..cb4c367
Binary files /dev/null and b/bin/Debug/ASD_Task_2 differ
diff --git a/list.cpp b/list.cpp
index f61d73d..b3a67c7 100644
--- a/list.cpp
+++ b/list.cpp
@@ -5,9 +5,7 @@ void createList(List &L) {
     * FS : set first(L) with Null
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
-
+    first(L)=NULL;
     //----------------------------------------
 }
 
@@ -15,12 +13,11 @@ address allocate(infotype x) {
     /**
     * FS : return new list element with info = x and next element is Null
     */
-
     address P = NULL;
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
-
+    P = new elmlist;
+    info(P) = x;
+    next(P)= NULL;
     //----------------------------------------
     return P;
 }
@@ -30,9 +27,7 @@ void deallocate(address &P) {
     * FS : delete element pointed by P
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
-
+    delete P;
     //----------------------------------------
 }
 
@@ -42,10 +37,10 @@ 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;
-
-
-
+    if(first(L)!=NULL){
+        next(P)=first(L);
+    }
+    first(L)=P;
     //----------------------------------------
 }
 
@@ -55,9 +50,16 @@ 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 Prec;
+    Prec=first(L);
+    if (first(L)== NULL){
+        insertFirst(L,P);
+    }else {
+        while (next(Prec) != NULL){
+            Prec=next(Prec);
+        }
+        insertAfter(L,Prec,P);
+    }
     //----------------------------------------
 }
 
@@ -70,9 +72,10 @@ address findElm(List L, infotype x) {
 
     address P;
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
-
+    P=first(L);
+    while(P!=NULL && info(P)!=x){
+        P=next(P);
+    }
     //----------------------------------------
     return P;
 }
@@ -83,10 +86,12 @@ 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(P) != NULL){
+        first(L)=next(P);
+    } else {
+        first(L)=NULL;
+    }
     //----------------------------------------
 }
 
@@ -96,10 +101,17 @@ 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 Prec;
+    Prec=first(L);
+    if (next(Prec)== NULL){
+        first(L) = NULL;
+    } else {
+        while (next(next(Prec)) != NULL){
+               Prec=next(Prec);
+        }
+        P = next(Prec);
+        next(Prec) = NULL;
+    }
     //----------------------------------------
 }
 
@@ -109,9 +121,12 @@ 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 P;
+    P = first(L);
+    while(P!=NULL){
+        cout<<info(P)<<", ";
+        P=next(P);
+    }
     //----------------------------------------
     cout<<endl;
 }
@@ -124,8 +139,10 @@ void insertAfter(List &L, address Prec, address P) {
     *      pointed by pointer Prec
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
+    if (next(Prec)!=NULL){
+        next(P)=next(Prec);
+    }
+    next(Prec)=P;
     //----------------------------------------
 
 }
@@ -136,9 +153,11 @@ void deleteAfter(List &L, address Prec, address &P) {
     *      is removed and pointed by pointer P
     */
     //-------------your code here-------------
-    cout<<"your code here"<<endl;
-
-
+    P=next(Prec);
+    if (next(P)!=NULL){
+        next(Prec)=next(P);
+    } else{
+        next(Prec)=NULL;
+    }
     //----------------------------------------
 }
-
diff --git a/list.h b/list.h
index d021225..be28827 100644
--- a/list.h
+++ b/list.h
@@ -30,14 +30,14 @@ typedef struct elmlist *address;
 
 struct elmlist{
     //------------- your code here -----------
-
-
+    infotype info;
+    address next;
     //----------------------------------------
 };
 
 struct List{
     //------------- your code here -----------
-
+    address first;
     //----------------------------------------
 };
 
diff --git a/obj/Debug/Main.o b/obj/Debug/Main.o
new file mode 100644
index 0000000..362039b
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..dee6254 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..0e7affc 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..0cdda40 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, Prec;
+    P=allocate(x);
+    if (first(L)==NULL){
+        insertFirst(L, P);
+    } else{
+        Prec=first(L);
+        while (next(Prec) != NULL && x > info(Prec)){
+            Prec=next(Prec);
+        }
+        if (x!=info(Prec)){
+            if(x>info(Prec)){
+                insertLast(L, P);
+            } else if(x<info(Prec)){
+                insertFirst(L, P);
+            } else{
+                insertAfter(L, Prec, P);
+            }
+        }
+    }
     //----------------------------------------
 }