题解 | #构建长方体类#
构建长方体类
https://www.nowcoder.com/practice/e0d0c9913e8a4087a2a24fa5a9448be0
#include<bits/stdc++.h> #include <stdexcept> using namespace std; class rectangle { private: int length, width; public: rectangle(int x, int y) { length = x; width = y; } void set(int x, int y) { length = x; width = y; } int area() { return length * width; } }; class cuboid: public rectangle { private: int height; public: // write your code here... cuboid(int length, int width, int height): rectangle(length, width) { this->height = height; } int getvolume() { return area() * height; } }; int main() { int x, y, z; cin >> x >> y >> z; cuboid a(x, y, z); cout << a.getvolume(); return 0; }