#include //基类First class First { int val1; public: SetVal1(int v) { val1=v; } void show_First(void) { cout
http://www.codebf.com/read/156960/5608140
#include //定义最低层基类，它作为其他类的基类 class First { int val1; public: First(void) { cout
http://www.codebf.com/read/156960/5608141
#include //基类 class First { int val1; protected: void SetVal1(int v) { val1=v; } public: show_First(void) { cout
http://www.codebf.com/read/156960/5608146
#include //定义最低层基类First，它作为其他类的基类 class First { int val1; public: First() { cout
http://www.codebf.com/read/156960/5608147
#include #include using namespace std; //测试字符串(string)对象 void main() { //创建string对象,并显示 string s1="This"; string s2="book."; cout
http://www.codebf.com/read/156960/5608148
#include //定义基类First class First { int num; float grade; public: //构造函数带参数 First(int n,float v ) : num(n),grade(v) { cout
http://www.codebf.com/read/156960/5608149
#include //定义有两个虚函数的基类 class Base { public: //定义两个虚函数 virtual void aFn1(void){ cout
http://www.codebf.com/read/156960/5608151
#include #include #define MAX 30 //main()的定义 int main(void) { char str[MAX]; //字符串转换为int和long类型数据 cout
http://www.codebf.com/read/156960/5608156
#include #include #include //main()函数的定义 void main( void ) { _complex a={3,4},b={3,-4}; double d=cabs(a); cout
http://www.codebf.com/read/156960/5608158
#include #include #include #define PI 3.1415926535 //main()函数的定义 void main( void ) { int i; double d=180/PI; cout
http://www.codebf.com/read/156960/5608159
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