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标题: 各位大侠帮我看看这段程序哪里错了 [打印本页]

作者: 枫之泪-天涯 时间: 2009-11-3 04:17
标题: 各位大侠帮我看看这段程序哪里错了
#include<stdio.h>
#include<windows.h>
int main()
{
float principal,rate,interest;
int days;
printf("enter loan principal (-1 to end):");
scanf("%f",&principal);
while(principal!=-1)
{printf("enter interest rate:");
   scanf("%f",&rate);
   printf("enter term of the loan in days:");
   scanf("%f",&days);
   interest=(float)principal*rate*days/365;
   printf("the interest charge is:$%.2f\n",interest);
   printf("enter loan principal (-1 to end):");
   scanf("%f",&principal);}
   system("pause");
   return 0;}
不管输入什么数怎么输出都是31124214.00呀

作者: 丑剑客 时间: 2009-11-3 04:17
程序代码：
#include<stdio.h>
#include<stdlib.h>

int main()
{
float principal,rate,interest;
int days;
printf("enter loan principal (-1 to end):");
scanf("%f",&principal);
while(principal!=-1)
{
      printf("enter interest rate:");
      scanf("%f",&rate);
      printf("enter term of the loan in days:");
      scanf("%d",&days);                         //这行
      interest=(float)principal*rate*days/365;
      printf("the interest charge is:$%.2f\n",interest);
      printf("enter loan principal (-1 to end):");
      scanf("%f",&principal);
}
system("pause");
return 0;
}

作者: 亾莣乁靈柩 时间: 2009-11-3 04:17
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