c++判断变量类型是否匹配

Question

判断变量类型是否匹配
如：int a;
char b;
如何写代码判断a和b的类型是否一样

Answer 1

 int main()
{
int a;
char b; // int b;
if (typeid(a) == typeid(b))
printf("identical");
}