問題：編寫一個程序，定義并實現一個銀行類；

運行圖：

?源代碼：

#include <iostream> #include <iomanip> #include <string.h> using namespace std; class bank {private:long id;double balance;static double Rational;double ck;public:bank(){id=10000;balance=0;}void bank1(long a1,double b1){id=a1;balance=b1;}void setrational(double r){Rational=r;}void get(){ck=balance*Rational/100; }void display(){cout<<"賬號:"<<id<<"; "<<"存款:"<<balance<<"; "<<"本息:"<<ck<<endl; }double dis(){return ck+balance;} }; double bank::Rational=0; int main() {double a,b,c1,d,e,f,g;cout<<"請輸入利率:請輸入3個賬號及對應的存款:"<<endl;cin>>g>>a>>b>>c1>>d>>e>>f;bank c,t2,t3,t4;t2.bank1(a,b);t3.bank1(c1,d);t4.bank1(e,f);c.setrational(g);c.get();//c.display();t2.setrational(g);t2.get();t2.display();t3.setrational(g);t3.get();t3.display();t4.setrational(g);t4.get();t4.display();cout<<"3個賬戶的本息:"<<t3.dis()+t2.dis()+t4.dis(); }

總結

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