code:all done

main.cpp

@@ -7,6 +7,8 @@ int main()
 cout << "Enter A and B: ";
 int a, b;
 cin >> a >> b;
-cout << "A + B = " << a + b << '\n';
-cout << "A * B = " << a * b << '\n';
+cout << "A + B = " << a + b << '\n'
+     << "A - B = " << a - b << '\n'
+     << "A * B = " << a * b << '\n'
+     << "A / B = " << a / b << '\n';
 }

project.cbp

@@ -32,6 +32,7 @@
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
 		</Compiler>
+		<Unit filename=".gitignore" />
 		<Unit filename="main.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />