c++上机作业

#include<iostream.h>
void main()
{
double k,l,g;
cout<<"请输入存款金额:";
cin>>k;
cout<<"存款时间";
cout<<"1.3个月\n"<<"2.6个月\n"<<"3.1年\n"<<"4.2年\n"<<"5.3年\n"<<"6.5年\n";
cout<<"请选择:";
int a;
cin>>a;
switch(a)
{
case 1:l=k*0.0310*0.25;break;
case 2:l=k*0.0330*0.5;break;
case 3:l=k*0.0350*1;break;
case 4:l=k*0.0440*2;break;
case 5:l=k*0.0500*3;break;
case 6:l=k*0.0550*5;break;
}
g=k+l;
cout<<"利息为"<<l<<"本息共计"<<g;
}
<img src="http://img.blog.csdn.net/20160412152142931?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />