程序代码:#include<stdio.h>
void main()
{
double D, q, E, B = 0, b, X;
int i, m;
printf("本金:");
scanf("%lf", &D);
printf("利率:");
scanf("%lf", &q);
printf("月份:");
scanf("%d", &m);
double f = D;
for (i = 1; i <= m; i++)
{
E = D / m + f*q;
b = f*q;
printf("第%d个月的月还款额为:%6.4f 月支付利息 为:%6.4f\n", i, E, b);
f = f - D / m;
B = B + E;
}
X = B - D;
printf("总还款额为:%6.4f 总支付利息为:%6.4f\n", B, X);
}