第8周项目5-定期存款利息计算器

#include <iostream>
using namespace std;
int main()
{
int a;
double b, c, d, e, f;
cout << "欢迎使用利息计算器！\n";
cout << "请输入存款金额:";
cin >> c;
cout << "======存款期限======\n";
cout << "1.  3个月\n" << "2.  6个月\n" << "3.  一年\n" <<
"4.  二年\n" << "5.  三年\n" << "6.  四年\n";
cout << "请输入存款期限:";
cin >> a;
switch (a)
{
case 1:
d = 3.1;
e = 0.25;
break;
case 2:
d = 3.3;
e = 0.5;
break;
case 3:
d = 3.5;
e = 1;
break;
case 4:
d = 4.4;
e = 2;
break;
case 5:
d = 5.0;
e = 3;
break;
case 6:
d = 5.5;
e = 5;
}
b = c * d / 100 * e;
f = c + b;
cout << "到期利息为:  " << b << "元，本息合计共" << f <<
"元\n";
cout << "感谢您的使用，欢迎下次光临！\n";
return 0;
}