CPP66. 求长方体表面积
描述
现在有长方形类(rectangle),请以此为基类构建长方体类(cuboid)并实现求表面积的area方法。输入描述
输入三个整数分别表示长宽高。输出描述
示例1
输入:
3 2 1
输出:
6 22
C++ 解法, 执行用时: 3ms, 内存消耗: 392KB, 提交时间: 2022-04-07
#include<bits/stdc++.h> 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 getlength(){ return length; } int getwidth(){ return width; } 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 area() { //int s1 = height*rectangle::getlength(); //int s2 = height*rectangle::getwidth(); // return (s1+s2+rectangle::area())*2; int s1 = height*rectangle::getlength(); int s2 = height*rectangle::getwidth(); int s3 = rectangle::area(); return (s1+s2+s3)*2; } }; int main(){ int x,y,z; cin>>x>>y>>z; cuboid a(x,y,z); cout<<a.rectangle::area()<<'\n'<<a.area(); return 0; }
C++ 解法, 执行用时: 3ms, 内存消耗: 392KB, 提交时间: 2022-03-12
#include<bits/stdc++.h> 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 getlength(){ return length; } int getwidth(){ return width; } int area(){ return length*width; } }; class cuboid:public rectangle{ private: int height; public: // write your code here... cuboid(int a,int b,int c):rectangle(a,b),height(c){} int area(){ return getlength()*getwidth()*2+height*getlength()*2+height*getwidth()*2; } }; int main(){ int x,y,z; cin>>x>>y>>z; cuboid a(x,y,z); cout<<a.rectangle::area()<<'\n'<<a.area(); return 0; }
C++ 解法, 执行用时: 3ms, 内存消耗: 396KB, 提交时间: 2022-08-06
#include<bits/stdc++.h> 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 getlength(){ return length; } int getwidth(){ return width; } int area(){ return length*width; } }; class cuboid:public rectangle{ private: int height; public: // write your code here... cuboid(int x, int y, int z): rectangle(x,y){ this->height = z; } int getHeight(){ return height; } int area(){ return 2 * (rectangle::area() + rectangle::getlength() * height + rectangle::getwidth() * height); } }; int main(){ int x,y,z; cin>>x>>y>>z; cuboid a(x,y,z); cout<<a.rectangle::area()<<'\n'<<a.area(); return 0; }
C++ 解法, 执行用时: 3ms, 内存消耗: 396KB, 提交时间: 2022-08-04
#include<bits/stdc++.h> 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 getlength(){ return length; } int getwidth(){ return width; } int area(){ return length*width; } }; class cuboid:public rectangle{ private: int height; public: // write your code here... cuboid(int x, int y, int z):rectangle(x,y),height(z){} int area() { return 2 * (getlength() * getwidth() + getwidth() * height + height * getlength()); } }; int main(){ int x,y,z; cin>>x>>y>>z; cuboid a(x,y,z); cout<<a.rectangle::area()<<'\n'<<a.area(); return 0; }
C++ 解法, 执行用时: 3ms, 内存消耗: 396KB, 提交时间: 2022-08-03
#include<bits/stdc++.h> 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 getlength(){ return length; } int getwidth(){ return width; } int area(){ return length*width; } }; class cuboid:public rectangle{ private: int height; public: // write your code here... cuboid(int x,int y,int z):rectangle(x, y){ this->height = z; } int area(){ return (this->rectangle::area()+this->height*this->getlength()+this->height*this->getwidth())*2; } }; int main(){ int x,y,z; cin>>x>>y>>z; cuboid a(x,y,z); cout<<a.rectangle::area()<<'\n'<<a.area(); return 0; }