[C++] 연습문제 3-1

#include<iostream> using std::cout; using std::endl; int acnt =0 , mcnt = 0,mlcnt=0,dcnt = 0; class Calculator{ public: int Add(int a,int b); int Div(int a,int b); int Min(int a,int b); void Init(){ a= 0; b= 0; } void ShowopCout(); private: int a,b; } ; void Calculator::ShowopCout() { cout << "덧셈: "<< acnt << mcnt<< mlcnt<<dcnt; } int Calculator::Add(int a,int b){ acnt++; return a+b; } int Calculator::Div(int a, int b){ dcnt++; return a/b; } int Calculator::Min(int a, int b){ mcnt++; return a-b; } int main(void) { Calculator cal; cal.Init(); cout << "3+5= "<< cal.Add(3,5)<<endl; cout << "3/5= "<<cal.Div(3,5)<<endl; cout << "12-4= "<<cal.Min(12,4)<<endl; cout << "12/4= "<<cal.Div(12,4)<<endl; cal.ShowopCout(); return 0; }