用C++编写一个长方形类,实现以下功能。
1个回答
展开全部
class TC {
int width, height;
public:
TC() {
width = height = 0;
}
TC(int w, int h) {
width = w;
height = h;
}
/*
TC(const TC& a) {
width = a.width;
height = a.height;
}
*/
};
追答
#include <string>
#include <iostream>
#include <algorithm>
using namespace std;
class TC {
int width, height;
public:
TC() {
width = height = 0;
}
TC(int w, int h) {
width = w;
height = h;
}
TC(const TC& a) {
width = a.width;
height = a.height;
}
int ZC() const {
return width + width + height + height;
}
string print() const {
int chang = max(width, height);
int kuan = min(width, height);
return to_string(chang) + ", " + to_string(kuan);
}
friend int MJ(const TC& z);
};
int MJ(const TC& z) {
return z.width * z.height;
}
void main() {
TC z1, z2(10, 5), z3(z2);
cout << " z1 的长和宽是: " << z1.print() << endl;
cout << " z3 的周长是: " << z3.ZC() << endl;
cout << " z3 的面积是: " << MJ(z3) << endl;
}
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