diff --git a/CM2005 Object Oriented Programming/Topic 2/2.1.1/a.exe b/CM2005 Object Oriented Programming/Topic 2/2.1.1/a.exe
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diff --git a/CM2005 Object Oriented Programming/Topic 2/2.1.1/types.cpp b/CM2005 Object Oriented Programming/Topic 2/2.1.1/types.cpp
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+++ b/CM2005 Object Oriented Programming/Topic 2/2.1.1/types.cpp	
@@ -0,0 +1,19 @@
+#include <iostream>
+
+int main()
+{
+  char c = 0;
+  std::cout << "char: " << sizeof(char)  << std::endl;
+
+  signed int si = 0;
+  std::cout << "signed int: " << sizeof(si)  << std::endl;
+
+  float f = 0.0f;
+  std::cout << "float: " << sizeof(f)  << std::endl;
+
+  double d = 0.0;
+  std::cout << "double: " << sizeof(d)  << std::endl;
+
+  long double ld = 0.0;
+  std::cout << "long double: " << sizeof(ld)  << std::endl;
+}
\ No newline at end of file