From 8094dd159768b9cc5be8278281d8ed20b3ca02a8 Mon Sep 17 00:00:00 2001
From: rikeadelia <adelia.rike@gmail.com>
Date: Tue, 12 Sep 2017 06:45:48 +0700
Subject: [PATCH 1/2] upload tugas prerequisite

---
 soal1.py | 16 ++++++++++++++++
 soal2.py | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/soal1.py b/soal1.py
index 7b95558..fe76d23 100644
--- a/soal1.py
+++ b/soal1.py
@@ -4,6 +4,22 @@
 # VARIABLE
 # Berisi angka secara random dari 0 - 100 sebanyak 100 angka
 arr = [randint(1,100) for i in range(0,100)]
+#arr = [7,5,4,2,1];
 
 # FUNGSI INSERTION SORT
 # Tulis algoritma disini...
+
+#def insertionsort():
+minimum=0
+for i in range(1,len(arr)):
+	#print(i)
+	j=i-1
+	minimum=arr[i]
+	while(j>=0) and (arr[j]>minimum):
+		arr[j+1]=arr[j]
+		j-=1;
+	arr[j+1]=minimum
+#insertionsort()
+#arr[0], arr[4]=arr[4], arr[0]
+for each in arr:
+	print(each),
\ No newline at end of file
diff --git a/soal2.py b/soal2.py
index 890b106..42b0284 100644
--- a/soal2.py
+++ b/soal2.py
@@ -9,6 +9,38 @@
 # pop() -> mengeluarkan item pada Stack
 # size() -> menghitung jumlah item pada Stack
 # printStack() -> output seluruh isi Stack
+class Stack:
+
+     def __init__(self):
+          self.items = []  
+     def isEmpty(self):
+          return self.items == []  
+     def push(self, item):
+          self.items.append(item)  
+     def pop(self):
+          return self.items.pop()  
+     def peek(self):
+          return self.items[len(self.items)-1]  
+     def size(self):
+          return len(self.items)
 
 # FUNGSI VALIDASI BRACKETS
 # Tulis algoritma disini...
+
+s = Stack()
+#word = "()(()())"
+i = 0;
+for each in inputan:
+	if(each == "("):
+		s.push(each)
+	elif(each == ")"):
+		if(s.isEmpty()):
+			break
+		else:
+			s.pop()
+	i+=1;
+
+if(s.isEmpty() and i==len(inputan)):
+	print ("VALID")
+else:
+	print ("TIDAK VALID")
\ No newline at end of file

From 506c61a8acc538ab693a2bf733e0193febe3ac68 Mon Sep 17 00:00:00 2001
From: rikeadelia <adelia.rike@gmail.com>
Date: Tue, 12 Sep 2017 06:58:01 +0700
Subject: [PATCH 2/2] upload soal 3

---
 soal3.py | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/soal3.py b/soal3.py
index d55212a..26690d8 100644
--- a/soal3.py
+++ b/soal3.py
@@ -1,5 +1,52 @@
 # KELAS GRAPH
 # Buatlah kelas objek Graph
+class Graph(object):
+
+	def __init__(self, graph_dict=None):
+	    if graph_dict == None:
+	        graph_dict = {}
+	    self.__graph_dict = graph_dict
+
+	def getVertices(self):
+	    #mengembalikan semua vertex pada graf
+	    return list(self.__graph_dict.keys())
+
+	def getEdges(self):
+	    #mengembalikan semua sisi pada graf
+	    return self.__generate_edges()
+
+	def add_vertex(self, vertex):
+	    if vertex not in self.__graph_dict:
+	        self.__graph_dict[vertex] = []
+
+	def add_edge(self, edge):
+	    edge = set(edge)
+	    (vertex1, vertex2) = tuple(edge)
+	    if vertex1 in self.__graph_dict:
+	        self.__graph_dict[vertex1].append(vertex2)
+	    else:
+	        self.__graph_dict[vertex1] = [vertex2]
+
+	def __generate_edges(self):
+	    #menghasilkan semua sisi pada graf
+	    edges = []
+	    for vertex in self.__graph_dict:
+	        for neighbour in self.__graph_dict[vertex]:
+	            if {neighbour, vertex} not in edges:
+	                edges.append({vertex, neighbour})
+	    return edges
+
+	def __str__(self):
+	    res = "vertices: "
+	    for k in self.__graph_dict:
+	        res += str(k) + " "
+	    res += "\nedges: "
+	    for edge in self.__generate_edges():
+	        res += str(edge) + " "
+	    return res
+
+	def __getitem__(self,vertex):
+		return self.__graph_dict[vertex]
 
 # FUNGSI PENCARIAN RUTE TERCEPAT
 # Tulis algoritma disini...