band

#include<iostream>
#include<math.h>
using namespace std;
int calculate(double amount[],int year,double rate,double in[],double p[],double* m,double * t)
{
    double mon,tot,mr;
    int mm,k;
    mm = year * 12;
    mr = rate / mm;
    m = & mon;
    t = & tot;
    mon = amount[0] * mr* pow(1+mr,mm) / (pow(1+mr,mm) - 1);
    tot = mon * mm ;
    for(k = 1;k <= mm ; k++)
    {
        in[k] = amount[k-1] * mr;
        p[k] = mon-in[k];
        amount[k] = amount[k-1]-p[k];
    }
    return 0;
}
int main()
{
    double amount[100];
    int year,k,l;
    double * m,* t,a,b;
    double rate;
    double in[100],p[100];
    m=&a;
    t=&b;
    cout<<"Please input load amount,the number of years and the annual interest rate: "<<endl;
    cin>>amount[0]>>year>>rate;
    l = year*12;
    calculate(amount,year,rate,in,p,m,t);
    cout<<"Load Amount: "<<amount[0]<<endl;
    cout<<"Number of Years: "<<year<<endl;
    cout<<"Annual Interest Rate: "<<rate<<endl;
    cout<<"Monthly Payment: "<<a<<endl;
    cout<<"Total Payment: "<<b<<endl;
    cout<<"Payment#            Interest        Principal        Balance"<<endl;
    for(k=1;k <= l;k++)
        cout<<k<<"        "<<in[k]<<"        "<<p[k]<<"        "<<amount[k]<<endl;
    return 0;
}