摘要：
字符串类(String)，熟悉内存管理与拷贝控制类定义#include //#include using std::cout;using std::cin;class String{ using iterator = char *; friend std::ostream &operat... 阅读全文
摘要：
写一个复数类，实现基本的运算，目的熟悉封装与数据抽象。类的定义#include #include using namespace std;class Complex{ friend ostream & operator 0) os first = rhs.first; t... 阅读全文
摘要：
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana... 阅读全文