C语言基础版本,进阶版过几天发出!
欢迎大家提问!
主函数:
int Deng_xi(int year, int Y_z, double lilu);
int Deng_jing(int year, int Y_z, double lilu);
void Show(double sum);
int year = 0, Y_z = 0;
double lilu = 0.059, sum;
printf("请输入贷款年限,金额:");
scanf_s("%d %d", &year, &Y_z);
主函数2(选择方式):
int choice=0;
printf("请输入你要选择的还款方式(1--等额本金,2--等额本息):");
scanf_s("%d", &choice);
switch (choice)
{
case 1:
sum=Deng_jing(year,Y_z, lilu);
break;
case 2:
sum = Deng_xi(year, Y_z, lilu);
break;
default:
break;
}
Show(sum);
return 0;
函数(等额本息):
int Deng_xi(int year, int Y_z, double lilu)
{
double Y_lilu = lilu / 12;
int month = year * 12;
double a = pow((1 + Y_lilu), month);
double Y_money;
Y_money = Y_lilu * a / (a - 1) * Y_z;
printf("每个月都应该还%lf的钱\n", Y_money);
return Y_money * 240;
函数(等额本金):
int Deng_jing(int year, int Y_z,double lilu)
{
int month = year * 12;
double Y_month = 0,sum = 0;
double Y_month_Benjing = Y_z / month;//每月还款本金
for (int i = 0; i < month; i++)
{
double Y_li =( Y_z - i * Y_month_Benjing)* lilu/12;//每月还款利息
Y_month = Y_month_Benjing +Y_li;
printf("\t第%d个月应该还钱%.3lf:\n",i+1, Y_month);
sum = sum + Y_month;
}
return sum;
}
函数(输出结果):
void Show(double sum)
{
printf("还款总额为%.3lf\n", sum);
}