View source for Cpp스터디인데이름을못짓겠어요/7월7일

 #include&lt;iostream&gt;
 #include&lt;cstdlib&gt;
 using namespace std;
 
 class Simple{
 public:
 	Simple(){
 		cout &lt;&lt; "I'm a constructor!" &lt;&lt; endl;
 	}
 };
 
 int main()
 {
 	cout &lt;&lt; "Case 1 : ";
 	Simple * sp1 = new Simple;
 	cout &lt;&lt; "Case 2 : ";
 	Simple*sp2 = (Simple*)malloc(sizeof(Simple) * 1);
 	cout &lt;&lt; endl &lt;&lt; "end of main" &lt;&lt; endl;
 	delete sp1;
 	free(sp2);
 	return 0;
 }

 #include&lt;iostream&gt;
 using namespace std;
 
 int&amp; RefRetFuncOne(int &amp;ref)//참조자. 별명
 {
 	ref++;
 	return ref;
 }
 
 int main(void){
 	int num1 = 1;
 	int &amp;num2 = RefRetFuncOne(num1);
 	num1++;
 	num2++;
 	cout &lt;&lt; "num1 : " &lt;&lt; num1 &lt;&lt; endl;
 	cout &lt;&lt; "num2 : " &lt;&lt; num2 &lt;&lt; endl;
 	return 0;
 }

 #include&lt;iostream&gt;
 using namespace std;
 
 int&amp; RefRetFuncOne(int &amp;ref)//참조자. 별명
 {
 	ref++;
 	return ref;
 }
 
 int main(void){
 	int num1 = 1;
 	int num2 = RefRetFuncOne(num1);
 	num1+=1;
 	num2+=100;
 	cout &lt;&lt; "num1 : " &lt;&lt; num1 &lt;&lt; endl;
 	cout &lt;&lt; "num2 : " &lt;&lt; num2 &lt;&lt; endl;
 	return 0;
 }

 #include&lt;iostream&gt;
 using namespace std;
 
 int RefRetFuncOne(int &amp;ref)//참조자. 별명
 {
 	ref++;
 	return ref;
 }
 
 int main(void){
 	int num1 = 1;
 	int num2 = RefRetFuncOne(num1);
 	num1+=1;
 	num2+=100;
 	cout &lt;&lt; "num1 : " &lt;&lt; num1 &lt;&lt; endl;
 	cout &lt;&lt; "num2 : " &lt;&lt; num2 &lt;&lt; endl;
 	return 0;
 }