diff --git a/C++ProjectTemplate b/C++ProjectTemplate
index 5e869d1..a733755 100755
Binary files a/C++ProjectTemplate and b/C++ProjectTemplate differ
diff --git a/main.cpp b/main.cpp
index 622b2d5..d51c136 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,37 +1,40 @@
-#define OLC_PGE_APPLICATION
-#include "pixelGameEngine.h"
-#include <unordered_map>
-#include "Block.h"
+#include <memory>
+#include <stdio.h>
 
-class Example : public olc::PixelGameEngine
-{
-public:
-	Example()
-	{
-		sAppName = "Example";
+class C2{
+	public:
+	int data=4;
+	~C2(){
+		printf("C2 destroyed\n");
 	}
+};
 
-public:
-	std::unordered_map<int,Block> Blocks;
-	bool OnUserCreate() override
-	{
-		// Called once at the start, so create things here
-		Blocks[126]=Block(25,10,255,255,255);
-		return true;
+class C1{
+	public:
+	~C1(){
+		printf("C1 destroyed\n");
 	}
-
-	bool OnUserUpdate(float fElapsedTime) override
-	{
-       	return true;
+	void PrintData(std::weak_ptr<C2>ptr) {
+		printf("Data is %d\n",ptr.lock()->data);
 	}
 };
 
 
-int main()
-{
-	Example demo;
-	if (demo.Construct(256, 240, 4, 4))
-		demo.Start();
+int main(){
+  	
+	std::shared_ptr<C1> ptrA{std::make_shared<C1>()};
 
-	return 0;
+	std::weak_ptr<C1>ptrA_2=ptrA;
+	if (!ptrA_2.expired()) {
+		printf("Count:%ld",ptrA.use_count());
+		std::shared_ptr<C1> ptrA_3{ptrA};
+		printf("Inside if statement.\n");
+		std::shared_ptr<C2> ptrB{std::make_shared<C2>()};
+		ptrA_2.lock()->PrintData(ptrB);
+		printf("Count:%ld",ptrA.use_count());
+	}
+		printf("Count:%ld",ptrA.use_count());
+	printf("Outside if statement.\n");
+	
+	return -1;
 }
diff --git a/sig b/sig
index 65804b4..5bd1ff3 100755
--- a/sig
+++ b/sig
@@ -3,7 +3,7 @@ export AUTO_UPDATE=true
 source utils/define.sh
 
 define PROJECT_NAME "C++ProjectTemplate"
-define CUSTOM_PARAMS "-std=c++17 -lX11 -lGL -lpthread -lpng -lstdc++fs -lpulse -lpulse-simple"
+define CUSTOM_PARAMS "-std=c++17 -lX11 -lGL -lpthread -lpng -lstdc++fs -lpulse -lpulse-simple -O3 -s -DNDEBUG"
 define LANGUAGE "C++"
 
 source utils/main.sh