利息計算器

#include <iostream>
using namespace std;
int main()
{
	int i;
	double a,b,f,d,c,g,r,o,p;
cout<<"請選擇存款類型：定期存款請按1；活期存款請按2.";
cin>>a;
if (a==1)
{
	cout<<"請輸入存款金額:"<<endl;
	cin>>b;
	cout<<"請輸入存款期限，以年爲單位"<<endl;
	cin>>f;
	d=0.1;
	c=b*d*f;
	cout<<"您的利息爲:"<<c<<"元"<<endl;
}
else
	cout<<"請輸入存款金額:"<<endl;
cin>>o;
cout<<"請輸入您的存款期限，以月爲單位:"<<endl;
cin>>g;
if (g=1)
	i=0;
else if (g=3)
	i=1;
else if (g=6)
	i=2;
else if (g=12)
	i=3;
else if (g=24)
	i=4;
else if (g=36)
	i=5;
else if (g=60)
	i=6;
switch (i)
{
case 0:r=0.005;break;
case 1:r=0.031;break;
case 2:r=0.033;break;
case 3:r=0.035;break;
case 4:r=0.044;break;
case 5:r=0.05;break;
case 6:r=0.055;break;
}
p=r*o*g;
cout<<"您的利息爲:"<<p<<"元";
return 0;
}