From 41da0401b9c8a88f558e1b0fd2d21800c1a534e1 Mon Sep 17 00:00:00 2001
From: Neginkhf <44371337+Neginkhf@users.noreply.github.com>
Date: Sun, 11 Nov 2018 21:41:35 +0330
Subject: [PATCH 1/4] Add files via upload

---
 main.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 main.cpp

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..a3a5291
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,9 @@
+#include <iostream>
+
+int main() {
+    std::cout << "Hello, World!" << std::endl;
+    int t=10;
+    t=8;
+    int y=9;
+    return 0;
+}
\ No newline at end of file

From 0aa04494be67ea390604937b14974d37f68a219f Mon Sep 17 00:00:00 2001
From: Neginkhf <44371337+Neginkhf@users.noreply.github.com>
Date: Sun, 11 Nov 2018 21:43:15 +0330
Subject: [PATCH 2/4] Update main.cpp

---
 main.cpp | 163 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 158 insertions(+), 5 deletions(-)

diff --git a/main.cpp b/main.cpp
index a3a5291..4dd3e4b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,9 +1,162 @@
 #include <iostream>
+#include "string"
+#include "vector"
+#include "math.h"
+using namespace std;
+class Shape;
+class rect;
+class Right_triangle;
+class circle;
+class square;
+class  Shape{
+public:
+    //virtual void add()=0;
+    virtual double surface()=0;
+    virtual  void draw()=0;
+
+//protected:
+  //  Shape(){}
+};
+
+class ListShape{
+protected:
+
+    vector<Shape*>list_of_shape;
+public:
+    ListShape(){}
+    Shape* find(int S){
+        for (auto i=list_of_shape.begin(); i <list_of_shape.end() ; i++) {
+            if ((*i)->surface()==S) {
+                return *i;
+            }
+        }
+        cout<<"Not Found."<<endl;
+        return nullptr;
+    }
+    void add(Shape& a){
+        list_of_shape.push_back(&a);
+
+    }
+       void remove(Shape* a){
+           for (auto i=list_of_shape.begin(); i <list_of_shape.end() ; i++) {
+               if ((*i)==a) {
+                   list_of_shape.erase(i);
+               }}
+
+
+    }
+    Shape* find(Shape* a){
+        for (auto i=list_of_shape.begin(); i <list_of_shape.end() ; i++) {
+            if ((*i)==a) {
+                return *i;
+            }
+        }
+        cout<<"Not Found."<<endl;
+        return nullptr;
+    }
+   void print(){
+       for (auto i=list_of_shape.begin(); i <list_of_shape.end() ; i++) {
+           (*i)->draw();
+                   cout<<endl;
+           }
+
+    }
+  void sort(){
+      for (auto i=list_of_shape.begin(); i <list_of_shape.end() ; i++) {
+          for (auto j=i+1 ;  j< list_of_shape.end(); j++) {
+              if ((*i)->surface()>(*j)->surface()) {
+                  Shape* temp=*i;
+                  *i=*j;
+                  *j=temp;
+
+          }
+
+          }
+      }
+    }
+};
+
+class rect:public  Shape,public ListShape{
+    int x,y,s;
+public:
+    void draw(){
+        cout<<"I am a rectangle with leghnt and  width ("<<x<<","<<y<<") "<< "with surface "<< s<<endl;
+    }
+    rect(int X,int Y){x=X;
+    y=Y;
+    s=X*Y;}
+
+
+    double surface(){
+        return s;
+
+    }
+
+
+};
+class Right_triangle:public Shape,public ListShape{
+    int a,b;
+    double s;
+public:
+    void draw(){
+        cout<<"I am a Right triangle with leghnt and height "<<"("<<a<<","<<b <<") "<< "with surface "<< s<<endl;
+    }
+
+
+    Right_triangle(int aa,int bb){a=aa;
+    b=bb;
+    s=(double)a*b/2;}
+    double surface() {
+        return s;
+    }};
+class square:public Shape,public ListShape{
+    int a,s;
+public:
+    void draw(){
+        cout<<"I am a square with leghnt "<<a<< " "<< "with surface "<< s<<endl;
+    }
+
+
+    square(int A){a=A;s=A*A;}
+    double surface(){
+        return s;}
+};
+class circle:public Shape,public ListShape{
+    int r;
+    double s;
+public:
+    void draw(){
+        cout<<"I am a circle with radius "<<r<< " "<< "with surface "<< s<<endl;
+    }
+
+
+    circle(int R){r=R;s=((R)*R)*(3.14);}
+    double surface(){
+     //   s=((r)^2)*M_PI;
+        return s;
+}
+
+};
 
 int main() {
-    std::cout << "Hello, World!" << std::endl;
-    int t=10;
-    t=8;
-    int y=9;
+ListShape l;
+circle b(3);
+Right_triangle c(3,4);
+square d(4);
+rect a(3,4);
+l.add(b);
+l.add(a);
+l.add(c);
+l.add(d);
+l.find(6)->draw();
+l.remove(&d);
+l.find(16);
+cout<<b.surface();
+cout<<a.surface()<<endl;
+cout<<l.find(&a)->surface()<<endl;
+//l.print();
+l.sort();
+//l.print();
+
     return 0;
-}
\ No newline at end of file
+}

From d173a02ba9765a19ec00561d83313225468a5ff6 Mon Sep 17 00:00:00 2001
From: Neginkhf <44371337+Neginkhf@users.noreply.github.com>
Date: Sun, 11 Nov 2018 21:44:15 +0330
Subject: [PATCH 3/4] Update main.cpp

---
 main.cpp | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/main.cpp b/main.cpp
index 4dd3e4b..efa9aa4 100644
--- a/main.cpp
+++ b/main.cpp
@@ -10,12 +10,8 @@ class circle;
 class square;
 class  Shape{
 public:
-    //virtual void add()=0;
     virtual double surface()=0;
     virtual  void draw()=0;
-
-//protected:
-  //  Shape(){}
 };
 
 class ListShape{

From e5f63eee130d1c84cc70f78a556f0b25444e65ce Mon Sep 17 00:00:00 2001
From: Neginkhf <44371337+Neginkhf@users.noreply.github.com>
Date: Sun, 11 Nov 2018 22:02:31 +0330
Subject: [PATCH 4/4] Update main.cpp

---
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index efa9aa4..465ef86 100644
--- a/main.cpp
+++ b/main.cpp
@@ -20,7 +20,7 @@ class ListShape{
     vector<Shape*>list_of_shape;
 public:
     ListShape(){}
-    Shape* find(int S){
+    Shape* find(double S){
         for (auto i=list_of_shape.begin(); i <list_of_shape.end() ; i++) {
             if ((*i)->surface()==S) {
                 return *i;