From 0fa3378234bf4796677f7dcca6488c7a16632c17 Mon Sep 17 00:00:00 2001
From: Angeld55 <achi_d@abv.bg>
Date: Tue, 24 Sep 2019 00:14:03 +0300
Subject: Add files via upload

---
 Polymorphism/MathExpression/Expression.hpp |  2 ++
 Polymorphism/MathExpression/Num.hpp        |  7 ++++++-
 Polymorphism/MathExpression/Operation.hpp  |  2 ++
 Polymorphism/MathExpression/main.hpp       | 27 +++++++++++++++++++++++++--
 4 files changed, 35 insertions(+), 3 deletions(-)

(limited to 'Polymorphism/MathExpression')

diff --git a/Polymorphism/MathExpression/Expression.hpp b/Polymorphism/MathExpression/Expression.hpp
index dd344d8..4f09790 100644
--- a/Polymorphism/MathExpression/Expression.hpp
+++ b/Polymorphism/MathExpression/Expression.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <iostream>
 
 class Expression
diff --git a/Polymorphism/MathExpression/Num.hpp b/Polymorphism/MathExpression/Num.hpp
index d2da4ae..91e1492 100644
--- a/Polymorphism/MathExpression/Num.hpp
+++ b/Polymorphism/MathExpression/Num.hpp
@@ -1,3 +1,5 @@
+#pragma once
+
 #include "Expression.hpp"
 class Num : public Expression
 {
@@ -16,6 +18,9 @@ public:
 	{
 		return number;
 	}
-	
+	int getNum()
+	{
+		return number;
+	}
 
 };
\ No newline at end of file
diff --git a/Polymorphism/MathExpression/Operation.hpp b/Polymorphism/MathExpression/Operation.hpp
index cfa9534..ade8404 100644
--- a/Polymorphism/MathExpression/Operation.hpp
+++ b/Polymorphism/MathExpression/Operation.hpp
@@ -1,3 +1,5 @@
+#pragma once
+#include "Expression.hpp"
 class Operation : public Expression
 {
 
diff --git a/Polymorphism/MathExpression/main.hpp b/Polymorphism/MathExpression/main.hpp
index a309f44..5fa3f8f 100644
--- a/Polymorphism/MathExpression/main.hpp
+++ b/Polymorphism/MathExpression/main.hpp
@@ -1,6 +1,9 @@
 #include "Expression.hpp"
+#include "Num.hpp"
+#include "Operation.hpp"
+bool AreTheSame(Expression* left, Expression* right);
 int main()
-{
+{	
 	Expression* l = new Num(3);
 	Expression* r = new Num(7);
 	Expression* final1 = new Operation(l, '+', r);
@@ -17,4 +20,24 @@ int main()
 
 	
 
-}
\ No newline at end of file
+}
+bool AreTheSame(Expression* left, Expression* right)
+{
+	if (left->getType() != right->getType())//гледаме дали не са от раличен тип (едното да е опрация,другото да е число)
+		return false; //очевидно са различни тогава
+
+	if (left->getType() == 1) //ако двете са числа
+	{
+		Num* l = (Num*)left; //Конвертираме пойнтерите
+		Num* r = (Num*)right;
+		return l->getNum() == r->getNum(); //сравняваме стойностите
+	}
+	else //Ако двете са операции
+	{
+		Operation* l = (Operation*)left;
+		Operation* r = (Operation*)right;
+		return  (l->op == l->op) && AreTheSame(l->left, r->left) && AreTheSame(l->right, r->right);
+		//гледаме дали знаците на опрациите съвпадат, дали левите страни съвпадат и дали десните страни съвпадат.
+	}
+
+}
-- 
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