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#include<stdio.h>
#include<math.h>
int main()
{
float price,area,yir,mir;
float interest,loan;
float ave_repay,down_payment;
float total_price,total_repay;
int ratio,time;
printf("请输入单价(元/平方):");
scanf("%f",&price);
printf("请输入面积:");
scanf("%f",&area);
printf("请输入按揭成数:");
scanf("%d",&ratio);
printf("请输入按揭年数:");
scanf("%d",&time);
printf("请输入当前基准年利率:");
scanf("%f",&yir);
mir = yir / 100 / 12;
time = time * 12;
total_price = price * area;
loan = total_price * ratio / 10;
ave_repay = loan * mir * pow((1 + mir), time) / (pow((1 + mir), time) - 1);
interest = ave_repay * time - loan;
total_repay = loan + interest;
down_payment = total_price * (1 - (ratio / 10));
printf("========报告结果=========\n");
printf("房款总额:%.2f元\n",total_price);
printf("首期付款:%.2f元\n",down_payment);
printf("贷款总额:%.2f元\n",loan);
printf("还款总额:%.2f\n",total_repay);
printf("支付利息:%.2f\n",interest);
printf("月均还款:%.2f\n",ave_repay);
return 0;
}
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