摘要： 记忆深刻的两道题： 1.如下程序的输出是什么： #include <stdio.h>class Base{public: Base(){printf("BaseContor\n");foo();} ~Base(){printf("BaseDeContor\n");foo();} virtual void foo(){printf("Base foo\n");}};class Derive:public Base{public: Derive(){printf("DeriveContor\n");foo( 阅读全文