题解 | 比较长方形的面积大小

#include<bits/stdc++.h>
#include <iostream>
using namespace std;
class rectangle {
  private:
    int length, width;
  public:
    void set(int x, int y) {
        length = x;
        width = y;
    }
    int getlength() {
        return length;
    }
    int getwidth() {
        return width;
    }
    int area() {
        return length * width;
    }
    void compare(rectangle a) {
        // write your code here......

        cout << (this->area() > a.area() ? 1 : 0);
    }
};
int main() {
    int l1, w1, l2, w2;
    cin >> l1 >> w1 >> l2 >> w2;
    rectangle a, b;
    a.set(l1, w1);
    b.set(l2, w2);
    a.compare(b);
    return 0;
}