{编程实例}：1.【用结构体实现两个数的求和】

作者：RedMud链接：https://zhuanlan.zhihu.com/p/24786075来源：知乎著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。#include <stdio.h>#include <conio.h>#include <string.h>#include <iostream>class CLASS_A{protected:int NUM_A;public:void READ_NUM(){printf("Input a number:");scanf("%d",&NUM_A);}};class CLASS_B{protected:int NUM_B;public:void READ_NUM(){printf("Input a number:");scanf("%d",&NUM_B);}};class CLASS_SUM:public CLASS_A,public CLASS_B{private:int SUM;public:void MAKE_SUM(){SUM = NUM_A +NUM_B;}int GET_SUM(){return SUM;}};int main(void){CLASS_SUM SUM;SUM.CLASS_A::READ_NUM();SUM.CLASS_B::READ_NUM();SUM.MAKE_SUM();printf("- - - The SUM is: %d - - -",SUM.GET_SUM());getch();return 0;}