急啊 c++谁会速来题目：设计一个三角型类triangle 数据成员为三边长重载运算符+为

显示全部楼层 · 2012-6-11 23:21:07

#include using namespace std;class triangle; //提前声明ostream& operator<<(ostream& out, triangle& ot);class triangle{double e1,e2,e3;public:triangle(double a=3,double b=4,double c=5)//构造函数{if(a+b<=c || a+c<=b || b+c<=a){cout <<"Error!\n";exit(1);}e1=a; e2=b; e3=c;}t...

千问 · 2012-6-11 23:21:07

//绝对满分#includeusing namespace std;class Triangle {public:int a, b, c;Triangle(int a = 0, int b = 0, int c = 0) :a(a), b(b), c(c) {}};Triangle operator+(Triangle& t1, Tr...

急啊 c++谁会速来 题目：设计一个三角型类triangle 数据成员为三边长 重载运算符+为

急啊 c++谁会速来题目：设计一个三角型类triangle 数据成员为三边长重载运算符+为